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how do i do THIS?
- Thread starter wayne
- Start date
I
Ice Czar
Guest
If the objective is a single volume\drive in my computer that is 100GB
you could employ dynamic disks to make a spanned volume
or you can mount the drive as a folder in the other HDD
there are serious disadvantages to using Dynamic Disks
and I wouldnt recommend it until you are completely aware of the drawbacks. once you convert a drive to dyanmic disk, you cant revert it back short of a reinstall
Dynamic Disks
Description of Disk Groups in Windows Disk Management
Dynamic vs. Basic Storage in Windows 2000
Basic and Dynamic Disks @ Windows & .net Magazine
HOW TO: Recover an Accidentally Deleted NTFS or FAT32 Dynamic Volume
Dynamic Disk Hardware Limitations (No firewire, USB, removable or laptop)
HOW TO: Set Up Fault-Tolerant Sets on Dynamic Disks in Windows 2000
Dynamic Disk Numbering and the DmDiag.exe Tool
HOW TO: Regenerate a Dynamic Mirrored Volume in Windows 2000
Restrictions on Extending or Spanning Simple Volumes on Dynamic Disks
Limits of Dynamic Disks in Windows 2000
LDMDump (Freeware utility) @ sysinternals
LDM Database @ Linux-NTFS project
LDM FAQ @ Linux-NTFS project
why exactly do you feel compelled to do this?
you could employ dynamic disks to make a spanned volume
or you can mount the drive as a folder in the other HDD
there are serious disadvantages to using Dynamic Disks
and I wouldnt recommend it until you are completely aware of the drawbacks. once you convert a drive to dyanmic disk, you cant revert it back short of a reinstall
Dynamic Disks
Description of Disk Groups in Windows Disk Management
Dynamic vs. Basic Storage in Windows 2000
Basic and Dynamic Disks @ Windows & .net Magazine
HOW TO: Recover an Accidentally Deleted NTFS or FAT32 Dynamic Volume
Dynamic Disk Hardware Limitations (No firewire, USB, removable or laptop)
HOW TO: Set Up Fault-Tolerant Sets on Dynamic Disks in Windows 2000
Dynamic Disk Numbering and the DmDiag.exe Tool
HOW TO: Regenerate a Dynamic Mirrored Volume in Windows 2000
Restrictions on Extending or Spanning Simple Volumes on Dynamic Disks
Limits of Dynamic Disks in Windows 2000
LDMDump (Freeware utility) @ sysinternals
LDM Database @ Linux-NTFS project
LDM FAQ @ Linux-NTFS project
why exactly do you feel compelled to do this?
Stinger836
Gawd
- Joined
- Apr 20, 2003
- Messages
- 928
Correct me if I'm wrong but I believe you could just re-map the drive to another location, easy as that.
I
Ice Czar
Guest
as Stinger836 mentioned if the HDD fails where the 2nd HDD is mapped, simply remount it elsewhere
yes but it also has serious drawbacks in comparision to mounting the drive as a folder, if you loose a drive in the array, its still a broken array, and you have to conduct recovery operations just to access the drives that havent failed
http://www.pcguide.com/ref/hdd/perf/raid/levels/jbod-c.html
"When you look at it, JBOD doesn't really have a lot to recommend it. It still requires a controller card or software driver, which means that almost any system that can do JBOD can also do RAID 0, and RAID 0 has significant performance advantages over JBOD. Neither provide fault tolerance, so that's a wash. There are only two possible advantages of JBOD over RAID 0:
Avoiding Drive Waste: If you have a number of odd-sized drives, JBOD will let you combine them into a single unit without loss of any capacity; a 10 GB drive and 30 GB would combine to make a 40 GB JBOD volume but only a 20 GB RAID 0 array. This may be an issue for those expanding an existing system, though with drives so cheap these days it's a relatively small advantage.
Easier Disaster Recovery: If a disk in a RAID 0 volume dies, the data on every disk in the array is essentially destroyed because all the files are striped; if a drive in a JBOD set dies then it may be easier to recover the files on the other drives (but then again, it might not, depending on how the operating system manages the disks.) Considering that you should be doing regular backups regardless, and that even under JBOD recovery can be difficult, this too is a minor advantage. "
http://sunsite.uakom.sk/sunworldonline/swol-08-1999/swol-08-raid3.html
"For large installations, JBOD is simply not an option. If you work in a small shop on a shoestring budget, however, JBOD can help meet some of your disk storage needs. In these cases, you'll be relying on your applications and databases to provide redundancy and recovery tools, along with robust backups to help you through serious drive failures. "
relying on your applications and databases = Dynamic Disks
yes but it also has serious drawbacks in comparision to mounting the drive as a folder, if you loose a drive in the array, its still a broken array, and you have to conduct recovery operations just to access the drives that havent failed
http://www.pcguide.com/ref/hdd/perf/raid/levels/jbod-c.html
"When you look at it, JBOD doesn't really have a lot to recommend it. It still requires a controller card or software driver, which means that almost any system that can do JBOD can also do RAID 0, and RAID 0 has significant performance advantages over JBOD. Neither provide fault tolerance, so that's a wash. There are only two possible advantages of JBOD over RAID 0:
Avoiding Drive Waste: If you have a number of odd-sized drives, JBOD will let you combine them into a single unit without loss of any capacity; a 10 GB drive and 30 GB would combine to make a 40 GB JBOD volume but only a 20 GB RAID 0 array. This may be an issue for those expanding an existing system, though with drives so cheap these days it's a relatively small advantage.
Easier Disaster Recovery: If a disk in a RAID 0 volume dies, the data on every disk in the array is essentially destroyed because all the files are striped; if a drive in a JBOD set dies then it may be easier to recover the files on the other drives (but then again, it might not, depending on how the operating system manages the disks.) Considering that you should be doing regular backups regardless, and that even under JBOD recovery can be difficult, this too is a minor advantage. "
http://sunsite.uakom.sk/sunworldonline/swol-08-1999/swol-08-raid3.html
"For large installations, JBOD is simply not an option. If you work in a small shop on a shoestring budget, however, JBOD can help meet some of your disk storage needs. In these cases, you'll be relying on your applications and databases to provide redundancy and recovery tools, along with robust backups to help you through serious drive failures. "
relying on your applications and databases = Dynamic Disks