Re: Spanning System Volume
From: Bjorn Landemoo (mvp2.REMOVE_at_landemoo.com)
Date: 06/13/04
- Next message: Lanwench [MVP - Exchange]: "Re: NT PDF to 2003 SB"
- Previous message: Joseph J. Hand: "Re: Spanning System Volume"
- In reply to: Joseph J. Hand: "Re: Spanning System Volume"
- Next in thread: Bjorn Landemoo: "Re: Spanning System Volume"
- Messages sorted by: [ date ] [ thread ]
Date: Sun, 13 Jun 2004 18:38:20 +0200
Joseph
Thanks for the info, much appreciated.
Best regards
Bjorn
-- Bjorn Landemoo - mvp2@landemoo.com - http://landemoo.com/ Microsoft MVP (Windows Server - File System) "Joseph J. Hand" <joseph.hand@veritas.com> wrote: >>From the docs: (note the last line.) > >Expand a Dynamic Volume > >The Expand Volume command allows you to increase a dynamic volume's size. >You can have the program automatically assign destination disks, or you can >manually assign these disks. > >You can expand a volume only if: > > the volume is formatted with NTFS or is a raw dynamic volume > > and > > there is unallocated space on a dynamic disk within the dynamic disk >group onto which the volume can be extended. > >You cannot expand a volume if either of the following is true: > > The volume is formatted with FAT or FAT32. > > There is not enough unallocated space available on the dynamic disks >within the dynamic disk group to extend the volume. > >You can extend volumes onto a maximum of 256 disks. No portion of an >extended volume can be deleted without deleting the entire volume. > >A system or boot volume is extended in increments of the disk's cylinder >size and only into contiguous space at the end of the volume. > > >The case appears to be only in to contiguous space. Somewhere else, it also >stated that you can grow a basic disk as well in the same fashion, at least >covering the diskpart.exe functionality without having to open the CLI. > >I would also agree with your assessment on use in a non-enterprise. Without >a SAN, the usefulness of the product goes down a couple of notches. > >jh > > >"Bjorn Landemoo" <mvp2.REMOVE@landemoo.com> wrote in message >news:0osoc0ph4trdb49tbu52srbi23u1paf9uf@4ax.com... >> Ahh, so you still need contiguous space directly after the system volume? >> So, what happens, then, when you span, is that Veritas updates the hard >> link in the partition table, resulting in one larger contiguous system >> volume? Else, if the volume would have two underlying volumes that where >> spanned, funny things might happen during early stages of boot, if boot >> files happened to be located on the second - not hard linked - underlying >> volume. >> >> I'm sure that the product is very handy in enterprise environments, but it >> might be too much for small companies with an administrator that >> miscalculated the needed space for their system volume. >> >> Best regards >> >> Bjorn >> -- >> Bjorn Landemoo - mvp2@landemoo.com - http://landemoo.com/ >> Microsoft MVP (Windows Server - File System) >> >> "Joseph J. Hand" <joseph.hand@veritas.com> wrote: >> >> >Yes, that is correct. There are still some caveats... like the need for >> >contiguous space, etc... but, if you are building a cluster or some other >> >real critical type of environment, you will welcome the "Dynamic Disk" >> >capabilities... mirror the boot/system drive to the SAN, mirror the data >> >volumes to a dissimilar, cheaper disk array cabinet, without having to >spend >> >7M on expensive, identical hardware... Software can be useful. >> > >> >700 is list price, I think... for Standard Server... >> > >> >(Sales Pitch Over...) :) >> > >> >jh >> > >> > >> >"Bjorn Landemoo" <mvp2.REMOVE@landemoo.com> wrote in message >> >news:q3koc0pblogm1iod1ej3jguhk5mk1bqmtr@4ax.com... >> >> Joseph >> >> >> >> Is that "VERITAS Storage Foundation for Windows"? >> >> >> >> I have seen more than one user converting their disk to dynamic and >then >> >> expecting to be able to extend the system volume. Would upgrading to >> >> Veritas (for, how much is it, $700?) in this situation give them this >> >> possibility? >> >> >> >> If that is the case, this upgrade would probably be a better option >than a >> >> backup and restore to solve the problem. >> >> >> >> And, yes, this feature would really be welcome in the base version... >> >> >> >> Best regards >> >> >> >> Bjorn >> >> -- >> >> Bjorn Landemoo - mvp2@landemoo.com - http://landemoo.com/ >> >> Microsoft MVP (Windows Server - File System) >> >> >> >> "Joseph J. Hand" <joseph.hand@veritas.com> wrote: >> >> >> >> >My Bad... >> >> > >> >> >I work for VERITAS... this is possible in the upgraded version of Disk >> >> >Management that we sell. One of those features that seem like it >should >> >be >> >> >in the base version and me getting confused due to too many bits of >> >> >information stuck in the old noggin... >> >> > >> >> >jh >> >> > >> >> > >> >> > >> >> >"Bjorn Landemoo" <mvp2.REMOVE@landemoo.com> wrote in message >> >> >news:hsrmc05ejiqsiha7rdt4kj8i6souv353br@4ax.com... >> >> >> Joseph >> >> >> >> >> >> You cannot span the system volume, according to this MS Knowledge >Base >> >> >> article: >> >> >> >> >> >> http://support.microsoft.com/?id=323442 >> >> >> >> >> >> Another thing, you can use RAID1 (mirroring) on your system volume, >as >> >> >this >> >> >> article explains: >> >> >> >> >> >> http://support.microsoft.com/?id=323432 >> >> >> >> >> >> Diskpart.exe seems to be one of the better options in Carey's case. >> >> >> >> >> >> Best regards >> >> >> >> >> >> Bjorn >> >> >> -- >> >> >> Bjorn Landemoo - mvp2@landemoo.com - http://landemoo.com/ >> >> >> Microsoft MVP (Windows Server - File System) >> >> >> >> >> >> "Joseph J. Hand" <joseph.hand@veritas.com> wrote: >> >> >> >> >> >> >The system volume can be made dynamic. The rules are simple, you >can >> >not >> >> >> >make a system volume into a RAID1 or RAID5, but you can grow it by >> >> >> >concatenating (spanning). Since the LUN you present is already >RAID5 >> >via >> >> >> >hardware, you should be able to grow it at the hardware level, >rescan >> >the >> >> >> >bus, convert it to dynamic, and expand it without a hitch. >> >> >> > >> >> >> >The utility you spoke of is called DISKPART.EXE. It should not be >> >needed >> >> >> >here. >> >> >> > >> >> >> >jh >> >> >> > >> >> >> > >> >> >> >"Carey" <anonymous@discussions.microsoft.com> wrote in message >> >> >> >news:1b67d01c44fe6$1ebcd260$a401280a@phx.gbl... >> >> >> >> We expanded our Raid 5 array from 135Gb to 208Gb. >> >> >> >> In Disk Management, the disks are basic, and im curious if >> >> >> >> it is possible to span the c: drive or SYSTEM volume if I >> >> >> >> convert disk 0 to dynamic disks. >> >> >> >> >> >> >> >> I was told MS actually makes a utility that will do this. >> >> >> >> >> >> >> >> Any insight is appreciated. >> >> >> >> >> >> >> > >> >> >> >> >> > >> >> >> > >> >
- Next message: Lanwench [MVP - Exchange]: "Re: NT PDF to 2003 SB"
- Previous message: Joseph J. Hand: "Re: Spanning System Volume"
- In reply to: Joseph J. Hand: "Re: Spanning System Volume"
- Next in thread: Bjorn Landemoo: "Re: Spanning System Volume"
- Messages sorted by: [ date ] [ thread ]
Relevant Pages
|
