Re: [Networker] advance file type question

As far as I know, ZFS is still not part of Solaris 10.
It will be availible later. (It sounded very microsoft to me, to advertize 
with somthing that is not there yet)

Maarten

On Friday 30 September 2005 08:03, Peter Viertel wrote:
> I just went though this exercise recently, although I left sol10 /zfs
> aside for now.
>
> Tip #1: use solaris 9 rather that 8.
>
> VxFS on vxvm is probably the best solution, but if you don't want to pay
> for vxfs, and you are using solaris9 then the constraints are as
> follows:
>
>
> Vxvm can create volumes > 1TB, but you can only put ufs on a vxvm volume
> up to 2TB.
>
> If you use SVM then you can create ufs filesystems of many terabytes - I
> tested an 8TB one with no problems, although I currently use 2.5TB
> filesystems.
>
> In solaris 9, ufs logging is on by default, and I have not yet had to do
> a full fsck.
>
> Another thing to watch is LUN size. If the LUNs are over 1TB then the
> classic solaris vtoc labels cant be used and you will get new style EFI
> labels which are great for SVM, but can't be initialised into vxvm at
> least as far as version 4.0 is concerned.
>
> Sol9 SVM can handle redundant paths and relocation reasonably well.
> Though its not as convenient as vxvm disk groups yet.
>
> -----Original Message-----
> From: Legato NetWorker discussion [mailto:NETWORKER AT listserv.temple DOT 
> edu]
> On Behalf Of T. S. Kimball
> Sent: Friday, 30 September 2005 3:20 PM
> To: NETWORKER AT listserv.temple DOT edu
> Subject: Re: [Networker] advance file type question
>
> I've actually opened a Sun case regarding this last year (wanted info so
> we could configure our BladeStore correctly).  Quick answers:
>
> UFS on Solaris limits a volume (LUN) limit of 1 TB.  fsck takes
> *forever* on these, at least on Solaris 8.
>
> Larger volumes are available if you want to goto either ZFS (their new
> disk format, Sol 10 or Sol 9 /w backported pkgs) or use Veritas
> VxVM/VxFS to build larger volumes once the 1 TB LUNs are presented to
> Solaris.
>
> We chose Veritas running on Solaris 8, in part due to other things such
> as Networker Server support in 9/10, AlphaStor support in 9/10, and we
> felt that Solaris 10 and ZFS is too new for us to risk the backup
> environment on.
>
> BladeStore is a bunch of 3+1 RAID 5's, with three 1 TB LUNS and one 0.5
> TB LUN in each RAID group.
>
> For Veritas, we concat the LUNs and create Adv_file devices of 12-16 TB
> each  (DBO Tier 5 license).  Need to newfs the vxfs filesystem with
> largefiles support but otherwise works well.
>
> This also gives the added advantage that I can Deport a set of adv_file
> LUNs and re-present/Import them to a Storage Node when I need to
> re-balance devices.  [Note, I've not tested yet, but should work.]
>
>
> --TSK
>
>
> -----=====-----
> Timothy Kimball          tkimball AT brass DOT com
> -----=====-----
>
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-- 
Maarten Boot, 
Compuware Europe B.V.
Hoogoorddreef 5
1101 BA Amsterdam
Tel: +31 20 312 6511

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