The [H]ard Forum Storage Showoff Thread - Post your 10TB+ systems

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Are you saying you can pause in one room and resume in another? Please tell me how to do that :eek:



What kind of read and write speeds do you get on the pool?

I use xbmc with centralized database. Watch a show or movie. Stop playback, go to different room and it will ask do I want to resume
 
What?

What RAID? HW or software?
If HW, which hw?
If sw, which sw?

As far as I know, there is no limit or at least it's far from 16tb...

Matej

ah seems like it is because of the nas i bought, n7700. seems like it is a limit due to the os bsing 32bit and not 64bit
 
I will update my post this weekend. My total is now about 230TB. Added my third SC846 (24 disk supermicro chassis) filled with 24x1TB disks. Just got solaris setup and files copying:

root@osol2:/data# zfs list data
NAME USED AVAIL REFER MOUNTPOINT
data 276G 19.1T 276G /data

My other backup machine was getting full:

root@opensolaris: 06:26 PM :~# zfs list data
NAME USED AVAIL REFER MOUNTPOINT
data 17.6T 1.77T 17.6T /data


With 3 sc846's and 2 sc933's (3u 15 disks each) all turned on in my rack my rack's power usage is the highest its ever been (for a decent amount of time) @ 1450 watts. I will only be running both for a few days though.

My rack is now full. If i want to add anything else I will have to remove my laser printer.
 
Very nice houkouonchi!

Mind if I ask why you are only using 1tb disks? Spending that much on a chassis why not use at least 2tb drives?
 
I will update my post this weekend. My total is now about 230TB. Added my third SC846 (24 disk supermicro chassis) filled with 24x1TB disks. Just got solaris setup and files copying:

root@osol2:/data# zfs list data
NAME USED AVAIL REFER MOUNTPOINT
data 276G 19.1T 276G /data

My other backup machine was getting full:

root@opensolaris: 06:26 PM :~# zfs list data
NAME USED AVAIL REFER MOUNTPOINT
data 17.6T 1.77T 17.6T /data


With 3 sc846's and 2 sc933's (3u 15 disks each) all turned on in my rack my rack's power usage is the highest its ever been (for a decent amount of time) @ 1450 watts. I will only be running both for a few days though.

My rack is now full. If i want to add anything else I will have to remove my laser printer.

Pics?!
 
Very nice houkouonchi!

Mind if I ask why you are only using 1tb disks? Spending that much on a chassis why not use at least 2tb drives?

Because I got the drives for free and the machines will not be running 24/7 (just for backups.

Also I got the chassis (with internals) for only $250 it just needed disk caddies which I could get for free from work (with drives). All the drives were failed that work is not even bothering to RMA anymore so I was able to grab the failed ones and RMA them and use the replacements. The internals were pretty weak (dual core opteron with 8 GB of ram and PCI-X supermicro controllers) but for that + the chassis for $250 you can't go wrong. Its fast enough just for backups. Already seeing some pending and re-allocated sectors on the drives i got back from seagate:

Code:
root@dekabutsu: 05:59 PM :~# smartinfo.pl osol2 --noserial
Solaris SATA System Detected
zpool: data
device   Model Number/Serial/Firmware                 Re-aloc/Pend/PC/DaysOn   Temp:
c10t0d0  ST31000340AS/SD1A                            0/0/9/3                  41
c10t1d0  ST31000340AS/SD1A                            0/4/9/3                  40
c10t2d0  ST31000340AS/SD1A                            0/0/9/3                  40
c10t3d0  ST31000340AS/SD1A                            0/0/9/3                  40
c10t4d0  ST31000340AS/SD1A                            0/0/9/3                  38
c10t5d0  ST31000340AS/SD1A                            0/0/9/3                  36
c10t6d0  ST31000340AS/SD1A                            0/0/9/3                  45
c10t7d0  ST31000340AS/SD1A                            0/0/9/3                  45
c11t0d0  ST31000340AS/SD1A                            1/50/9/3                 43
c11t1d0  ST31000340AS/SD1A                            0/0/6/1                  43
c11t2d0  ST31000340AS/SD1A                            0/0/9/3                  42
c11t3d0  ST31000340AS/SD1A                            0/0/7/1                  39
c11t4d0  ST31000340AS/SD1A                            0/0/7/1                  45
c11t5d0  ST31000340AS/SD1A                            0/0/7/1                  44
c11t6d0  ST31000340AS/SD1A                            0/0/7/1                  42
c11t7d0  ST31000340AS/SD1A                            0/0/6/1                  42
c12t0d0  ST31000340AS/SD1A                            0/0/7/1                  42
c12t1d0  ST31000340AS/SD1A                            0/0/7/1                  37
c12t2d0  ST31000340AS/SD1A                            0/0/9/3                  43
c12t3d0  ST31000340AS/SD1A                            0/0/9/3                  46
c12t4d0  ST31000340AS/SD1A                            0/0/9/3                  45
c12t5d0  ST31000340AS/SD1A                            0/0/9/3                  45
c12t6d0  ST31000340AS/SD1A                            1/0/9/3                  44
c12t7d0  ST31000340AS/SD1A                            0/0/9/3                  41

zpool: rpool
device   Model Number/Serial/Firmware                 Re-aloc/Pend/PC/DaysOn   Temp:

root@dekabutsu: 05:59 PM :~#

Ambient temperature in my server room is kinda high ATM at 82F. Also the fans on the SC846's are set to ES (energy saver) which makes them as quiet as norco's with fans only running at like 3k rpm.

Here is my old solaris box which actually has disks i bought back when 1 TB was the largest you could get. This has the oldest drives although powered on day count is less than hitachi drives I replaced them with that run 24/7 as these do not. From the 'days on' variable you can see a lot of them have failed over the years (6 or 7 out of the original 20 i bought).

Code:
root@dekabutsu: 05:59 PM :~# smartinfo.pl osol --noserial
Solaris SATA System Detected
zpool: data
device                  Model Number/Serial/Firmware                 Re-aloc/Pend/PC/DaysOn   Temp:
c4t5000C500028BD5FCd0   ST31000340AS/SD04                            0/0/253/694              36
c4t5000C50009A4D727d0   ST31000340AS/SD14                            0/0/263/694              36
c4t5000C50009A46AF5d0   ST31000340AS/SD14                            0/0/263/695              36
c4t5000C50009A515B0d0   ST31000340AS/SD14                            14/0/264/695             38
c4t5000C500028A81BEd0   ST31000340AS/SD04                            0/0/236/696              37
c4t5000C500028B44A1d0   ST31000340AS/SD04                            0/0/242/697              39
c4t5000C500028B415Bd0   ST31000340AS/SD04                            1/0/237/697              40
c4t5000C500028B23D2d0   ST31000340AS/SD04                            0/0/240/698              42
c4t5000C5000CC3338Dd0   ST31000340AS/SD15                            0/0/209/638              36
c4t5000C500027F59C8d0   ST31000340AS/SD14                            0/0/236/700              39
c4t5000C50009DBF8D4d0   ST31000340AS/SD1A                            0/0/51/121               41
c4t5000C500027F3C1Fd0   ST31000340AS/SD14                            0/0/240/700              43
c4t5000C5003CB4BBCCd0   ST31000340AS/SD1A                            0/0/7/1                  38
c4t5000C5003CB147C2d0   ST31000340AS/SD1A                            0/0/11/8                 41
c4t5000C5000DAEF990d0   ST31000340AS/SD15                            0/0/161/517              42
c4t5000C5000DAEEF8Ed0   ST31000340AS/SD15                            0/0/167/518              44
c4t5000C5000DAEB881d0   ST31000340AS/SD15                            1/0/171/518              39
c4t5000C5000A121581d0   ST31000340AS/SD1A                            0/0/116/319              42
c4t5000C5000DAC848Fd0   ST31000340AS/SD15                            0/0/163/520              43
c4t5000C50002770EE6d0   ST31000340AS/SD04                            0/0/171/521              44
c4t5000C5000E2AF34Ad0   ST31000333AS/CC1F                            0/0/9/7                  40
c4t5000C500106DD075d0   ST31000333AS/CC1F                            0/0/9/7                  42
c4t5000C5001188AE7Cd0   ST31000333AS/CC1H                            0/0/9/7                  45
c4t5000C50011749F54d0   ST31000333AS/CC1H                            0/0/9/7                  44

zpool: rpool
device                  Model Number/Serial/Firmware                 Re-aloc/Pend/PC/DaysOn   Temp:

root@dekabutsu: 05:59 PM :~#

Its funny how much better the stats look on my hitachi disk based arrays even though those have now been running the longest.

Code:
root@dekabutsu: 06:00 PM :~# diskinfo.sh --noserial
                        ARC-1280 Enclosure #1
Port     Model Number/Firmware           Re-aloc/Pend/PS/DaysOn  Temp:
1        HDS722020ALA330/JKAOA28A        0/0/68/969              39
2        HDS722020ALA330/JKAOA28A        0/0/66/969              40
3        HDS722020ALA330/JKAOA28A        0/0/66/969              41
4        HDS722020ALA330/JKAOA28A        0/0/66/968              40
5        HDS722020ALA330/JKAOA28A        1/0/67/968              41
6        HDS722020ALA330/JKAOA28A        0/0/66/967              45
7        HDS722020ALA330/JKAOA28A        0/0/66/967              45
8        HDS722020ALA330/JKAOA28A        0/0/66/966              44
9        HDS722020ALA330/JKAOA28A        0/0/67/966              42
10       HDS722020ALA330/JKAOA28A        0/0/66/966              44
11       HDS722020ALA330/JKAOA28A        0/0/66/965              45
12       HDS722020ALA330/JKAOA28A        4/0/66/965              45
13       HDS722020ALA330/JKAOA28A        10/0/70/964             42
14       HDS722020ALA330/JKAOA28A        0/0/69/964              45
15       HDS722020ALA330/JKAOA28A        0/0/69/963              46
16       HDS722020ALA330/JKAOA28A        0/0/70/963              45
17       HDS722020ALA330/JKAOA28A        0/0/71/962              41
18       HDS722020ALA330/JKAOA28A        0/0/70/962              44
19       HDS722020ALA330/JKAOA28A        0/0/70/961              44
20       HDS722020ALA330/JKAOA28A        0/0/70/961              45
21       HDS723020BLA642/MN6OA800        0/0/28/243              37
22       HDS723020BLA642/MN6OA800        0/0/28/243              37
23       HDS723020BLA642/MN6OA800        0/0/28/243              39
24       HDS723020BLA642/MN6OA800        0/0/28/243              39

                        ARC-1880x Enclosure #2
Port     Model Number/Firmware           Re-aloc/Pend/PS/DaysOn  Temp:
1        HDS5C3030ALA630/MEAOA580        0/0/21/488              31
2        HDS5C3030ALA630/MEAOA580        0/0/23/488              31
3        HDS5C3030ALA630/MEAOA580        0/0/21/488              32
4        HDS5C3030ALA630/MEAOA580        0/0/21/488              31
5        HDS5C3030ALA630/MEAOA580        0/0/21/488              32
6        HDS5C3030ALA630/MEAOA580        0/0/21/488              32
7        HDS5C3030ALA630/MEAOA580        0/0/21/488              30
8        HDS5C3030ALA630/MEAOA580        0/0/21/488              32
9        HDS5C3030ALA630/MEAOA580        0/0/21/488              32
10       HDS5C3030ALA630/MEAOA580        0/0/21/488              31
11       HDS5C3030ALA630/MEAOA580        0/0/21/488              32
12       HDS5C3030ALA630/MEAOA580        0/0/21/488              32
13       HDS5C3030ALA630/MEAOA580        0/0/21/488              32
14       HDS5C3030ALA630/MEAOA580        0/0/21/487              32
15       HDS5C3030ALA630/MEAOA580        0/0/21/487              32

                        ARC-1880x Enclosure #3
Port     Model Number/Firmware           Re-aloc/Pend/PS/DaysOn  Temp:
1        HDS5C3030ALA630/MEAOA580        0/0/37/495              32
2        HDS5C3030ALA630/MEAOA580        0/0/33/495              32
3        HDS5C3030ALA630/MEAOA580        0/0/31/495              32
4        HDS5C3030ALA630/MEAOA580        0/0/33/495              32
5        HDS5C3030ALA630/MEAOA580        0/0/31/495              32
6        HDS5C3030ALA630/MEAOA580        0/0/30/495              33
7        HDS5C3030ALA630/MEAOA580        0/0/30/495              32
8        HDS5C3030ALA630/MEAOA580        0/0/30/495              32
9        HDS5C3030ALA630/MEAOA580        0/0/32/495              32
10       HDS5C3030ALA630/MEAOA580        0/0/32/495              30
11       HDS5C3030ALA630/MEAOA580        0/0/30/495              32
12       HDS5C3030ALA630/MEAOA580        0/0/32/495              32
13       HDS5C3030ALA630/MEAOA580        0/0/30/494              32
14       HDS5C3030ALA630/MEAOA580        0/0/30/494              32
15       HDS5C3030ALA630/MEAOA580        0/0/30/494              32


Normally my rack power usage is half of what it is right now (1.5kw) and the drive temperatures are usually quite a bit better and under 40C.

Pics will be coming over the weekend. I am waiting for my dad's nice nikon camera as the last ones I took with my iphone did not come out very good (this is before I added the third SC846):





youtube vid here: http://www.youtube.com/watch?v=UiOSXKQk5hc

Will make an updated youtube vid too.

Oh and some df output for the current state of things (backup running):

Code:
root@dekabutsu: 06:29 PM :~# df -H /data /data2 /osol /osol2
Filesystem      Size  Used Avail Use% Mounted on
/dev/sdd1        44T   39T  5.2T  89% /data
/dev/sde1        84T   59T   26T  70% /data2
osol:/data       22T   17T  4.7T  79% /osol
osol2:/data      22T  3.9T   18T  18% /osol2
 
Last edited:
So, finaly my last 3TB-Drives arrived.
I will post some pics ans stats of my Storage.
After raid init 8x3TB Raid 5 + 16x3TB Raid 5 it means a total space of 60TB usable for my Win2008R2-Server in one case.
I wonder how long it will take to create the 16x3TB raid since the first array took ~18 hours to initialize.
My Storagespecs:
24x3TB in an enclosure hanging on an HP SAS Expander connected to an HP P411 Smart array Controller
Advertised Space is 65.4TB in total
Usable Space is 60TB in total (19.1TB+40.9 TB)
 
So, finaly my last 3TB-Drives arrived.
I will post some pics ans stats of my Storage.
After raid init 8x3TB Raid 5 + 16x3TB Raid 5 it means a total space of 60TB usable for my Win2008R2-Server in one case.
I wonder how long it will take to create the 16x3TB raid since the first array took ~18 hours to initialize.
My Storagespecs:
24x3TB in an enclosure hanging on an HP SAS Expander connected to an HP P411 Smart array Controller
Advertised Space is 65.4TB in total
Usable Space is 60TB in total (19.1TB+40.9 TB)

on an ARC-1882i i was evaluating from areca (before they were available to buy) it was *crazy* fast init. It literally initialized an 80TB+ array of 24x3TB (hitachi ultrastar SATA) in 8 hours.
 
sure why not... he wants to have an off-line copy of the internet... totally understandable...

I need to take some updated pictures but I retired my poweredge 2900

moved to a poweredge R610 running VMWare and 3 FC DAS'

RAW/Usable

.92TB/.76TB R610 (5x VelociRaptor's in RAID5 + 120Gb SSD)
32TB/28TB EonStor DAS #1 (RAID6)
16TB/14TB EonStor DAS #2 (RAID5+HS)
16TB/14TB EonStor DAS #3 (RAID5+HS)
4TB/2TB USB RAID1 #1
2TB/1TB USB RAID1 #2

total
70.92TB/59.76TB
 
Last edited:
Hey guys, is there any page or site that compares all (or most) of the different OS's for a home server?
I've got ~10 TB of data I need to back up and I'm honestly at my wit's end.
I just need something fairly simple to set up, that can feed into my HTPC (and other pcs in my homegroup), has good speed and redundancy in case of multiple disk failures..

I'm a newbie when it comes to servers. No experience whatsoever, but I need one fairly soon.
 
Hey guys, is there any page or site that compares all (or most) of the different OS's for a home server?
I've got ~10 TB of data I need to back up and I'm honestly at my wit's end.
I just need something fairly simple to set up, that can feed into my HTPC (and other pcs in my homegroup), has good speed and redundancy in case of multiple disk failures..

I'm a newbie when it comes to servers. No experience whatsoever, but I need one fairly soon.

If you want to back up 10TB, buy 5 of the WD 4TB external drives. About $1000. Copy each file to 2 different drives. Not all that hard to do. It gives you 3 copies of all of your data.

No need for another OS or computer.

Don't make life more difficult than it has to be.
 
If you want to back up 10TB, buy 5 of the WD 4TB external drives. About $1000. Copy each file to 2 different drives. Not all that hard to do. It gives you 3 copies of all of your data.

No need for another OS or computer.

Don't make life more difficult than it has to be.

Sounds like a management nightmare for backing up.
 
Code:
root@dekabutsu: 06:29 PM :~# df -H /data /data2 /osol /osol2
Filesystem      Size  Used Avail Use% Mounted on
/dev/sdd1        44T   39T  5.2T  89% /data
/dev/sde1        84T   59T   26T  70% /data2
osol:/data       22T   17T  4.7T  79% /osol
osol2:/data      22T  3.9T   18T  18% /osol2

I actually laughed when I read this, think its time to make the 100+TB club thread?

hope to be there soon myself
 
not so sure about 100, but its truly time to seriously start thinking about 50-75+ thread
for crist sake you can get 10t with 3 drives, back in the day we needed 8+ drives to achieve 1tb!
 
So finally i had the time to take some pics:
Both Arrays in Controller-Manager:
server4v.jpg

Physical View of the Raid-Controller:
server3.jpg

The main Server + Storage Enclosure
server2v.jpg

Picture of the Shelf without flash:
server1g.jpg


So totally the System has following logical drives:
[Serverchassis]
1x System drive ~232 GB [250 GB ATA ST3250824A Seagate]
6x Single drives ~1,82 TB [2 TB HD204UI Samsung]
[HDD-Enclosure connected via SFF8088 cable]
1x Raid 5 drive ~19.1TB [8x3TB ST3000DM001 Seagate ARRAY A]
1x Raid 5 drive ~40.9TB [16x3TB ST3000DM001 Seagate ARRAY B]

So in total thats 60TB in the extended enclosure + 11,15 TB in the Serverchassis.
 
image_4.jpg


MY DAS - JBOD ENCLOSURE
Norco 4020 Enclosure - 20 hotswap bays
1KW PSU
15x 3TB ST3000 Seagate HDDs
5x 2TB ST2000 Seagate HDDs
HP SAS Expander

Usable space? 39.2TB

Hooked up to a FreeBSD 9.1 VM in Vsphere 5 running ZFS with 32GB of ram and an LSI 2008 controller in passthrough
 
not so sure about 100, but its truly time to seriously start thinking about 50-75+ thread
for crist sake you can get 10t with 3 drives, back in the day we needed 8+ drives to achieve 1tb!
If we went with 8x4TB, we'd be at a mere 32TB of space. Personally, I love looking at computers with a ton of spindles. Maybe instead of having the 1TB/10TB/100TB club, we could have the 10-drive+ club?
 
Finally had to upgrade again, changed over to FreeNAS 8 and went with a 6x3TB raidz2 setup, Also took one of my Sans Digital esata bays and added another 4x2TB raidz2 vdev.

Total Storage: 24TB
Usable Storage: 16TB

Added 4x3TB today:

LMwyICw.png


Of course, while you're all running with massive servers mine's still an atom. :D

Total Storage: 36TB
Usable Storage: 22TB
 
So finally i had the time to take some pics:
....

1x System drive ~232 GB [250 GB ATA ST3250824A Seagate]
6x Single drives ~1,82 TB [2 TB HD204UI Samsung]
[HDD-Enclosure connected via SFF8088 cable]
1x Raid 5 drive ~19.1TB [8x3TB ST3000DM001 Seagate ARRAY A]
1x Raid 5 drive ~40.9TB [16x3TB ST3000DM001 Seagate ARRAY B]

So in total thats 60TB in the extended enclosure + 11,15 TB in the Serverchassis.

Dude - You have 16 drives in a single Raid 5 array ?!

No offence but I think that's crazy! I wouldn't even do that with 100GB SAS drives, let alone 3TB SATA drives. If you lose one drive a rebuild of 3tb via parity is going to take forever.. and if you lose a second one.. your whole array is poof.
 
At my work we are starting to get to big arrays. What do you guys normally do in terms of backups? I always thought offline backups are good but not sure how to accomplish that with terabytes worth of data.
 
Well, i know about this risk, and so i wont cry much if the data gets lost.
I would never dump any existential files on this storage, without having a backup on an offline backup...

At my work we are starting to get to big arrays. What do you guys normally do in terms of backups? I always thought offline backups are good but not sure how to accomplish that with terabytes worth of data.

Yeah, thats another question, my storage is filled for 85% and i have everything backed up on 2 TB HDs. As i already mentioned most files arent important, but how to do a better backup for those important?
 
At my work we are starting to get to big arrays. What do you guys normally do in terms of backups? I always thought offline backups are good but not sure how to accomplish that with terabytes worth of data.
I've got 6x3TB in a Raidz for 16.2TB of usable space on my server. For a backup, I bought 6 more 3TB drives and plugged them into my gaming rig. Windows 8, Storage Spaces. Data is rsync'd between the two boxes. The initial sync may have taken a little over a day, but keeping it up to date takes next to no time at all.
 
At my work we are starting to get to big arrays. What do you guys normally do in terms of backups? I always thought offline backups are good but not sure how to accomplish that with terabytes worth of data.

It doesn't really address the question of backups at work, but for my home system with TBs upon TBs of data, I use CrashPlan. We bought an "unlimited" four-year family plan and have successfully uploaded over 10TB collectively and, so far, no warnings about space.

Has anyone here tried something similar? Has it worked out?
 
Are you saying you can pause in one room and resume in another? Please tell me how to do that :eek:

Plex Media Server will do that with DNLA devices. I have Plex running in a VM, a WD Live Streaming in the living room and two tablets with the Plex app on them. Pause on the TV, resume on the tablets or web clients on laptops.

I might switch for a Roku soon though, they show more metadata of the shows, if youre planning on replicating.
 
What is the name of rack cabinet and model number?

its a DAMAC rack. When I get home I will try to find the model number. Not sure if its listed though. We have tons and tons of them at work (even though that is not where I got it from lol). I got it for $250 off craigs list.
 
Just adding HDDs to my media storage server to total 10, here complete list of the build for now:

Total Advertised: 20TB
Total Available: ~14.2TB


FREENAS v8.02 Release AMD64
"Single ZFS Pool striped across a pair of 5x2TB RAIDZ1"
1x WD Caviar Black WD2001FASS
3x WD Caviar Green WD20EARS
6x WD Caviar Green WD20EARX
AMD Phenom II X2-555BE ~ X4-B55
Artic Cooling Freezer 64 Pro
Kingston 16GB DDR3-1333
BIOSTAR TA880GB+
SYBA SY-PEX40008 [ Sil 3124 using latest v6.6.00 BIOS ]
Onboard Realtek RTL8111E
Seasonic M12II-620Bronze [ has 9 sata power ports ]
NZXT Source 210 Elite
APC Back-UPS RS 800

img1924w.jpg


img1904u.jpg


img1914ck.jpg

I know you posted this awhile ago, but where did you get your wire rack? Do you remember which brand it was?
 
I know you posted this awhile ago, but where did you get your wire rack? Do you remember which brand it was?

It looks like it's just standard Metro wire rack parts. Or knock-offs, maybe. I know the Container Store sells by the piece, but they're expensive. You can probably find cheaper if you search around a bit.
 
I know general racks like this are easy to find, I own 4 of the bigger ones, but I really like how that one is closer to a square than a rectangle. It is very deep for the size and I love the wood shelf. I looked at a ton of places and google image search yesterday, but not the container store, I'll check them out.
 
I know general racks like this are easy to find, I own 4 of the bigger ones, but I really like how that one is closer to a square than a rectangle. It is very deep for the size and I love the wood shelf. I looked at a ton of places and google image search yesterday, but not the container store, I'll check them out.

I've been looking at these kinds of shelves as well--check out both Home Depot and Target before you buy--currently the Target near me is cheaper than everyone else by about $20 for the same shelves. Maybe there's a "brand" difference, but I'm not sure that it matters.
 
I know general racks like this are easy to find, I own 4 of the bigger ones, but I really like how that one is closer to a square than a rectangle. It is very deep for the size and I love the wood shelf. I looked at a ton of places and google image search yesterday, but not the container store, I'll check them out.

Looks like standard 18"x18" shelves in that picture. I have the same size pieces set up in a 5 shelf unit with 7' posts.

I should have mentioned that if you have a Storables store near you, try them. They don't sell actual Metro-brand, but their knock-offs are pretty good quality for a good price. I usually pick up what I need there. Doesn't look like they have wood shelves with integrated mounts, however.

The units from Home Depot, Lowes, and (especially) Target/Wal-Mart are usually fairly cheaply made. They also do things like cut the posts in half for packaging, which makes the unit less stable.

Also, check your local restaurant supply stores. Sometimes they have used pieces that can be had for cheap.
 
They're pretty much all made in china. You'll have better luck finding them in google with "NSF wire shelf" and the dimensions. 18x24 or 24x24 sound like what you're after. Nearly every store in town sells them here.
 
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