Re: [zfs-discuss] Re: Configuring a 3510 for ZFS

2006-10-16 Thread Matthew Ahrens
Torrey McMahon wrote: Richard Elling - PAE wrote: Anantha N. Srirama wrote: I'm glad you asked this question. We are currently expecting 3511 storage sub-systems for our servers. We were wondering about their configuration as well. This ZFS thing throws a wrench in the old line think ;-) Seri

Re: [zfs-discuss] Re: Configuring a 3510 for ZFS

2006-10-16 Thread Torrey McMahon
Richard Elling - PAE wrote: Anantha N. Srirama wrote: I'm glad you asked this question. We are currently expecting 3511 storage sub-systems for our servers. We were wondering about their configuration as well. This ZFS thing throws a wrench in the old line think ;-) Seriously, we now have to p

Re: [zfs-discuss] Self-tuning recordsize

2006-10-16 Thread Richard Elling - PAE
Roch wrote: Oracle will typically create it's files with 128K writes not recordsize ones. Blast from the past... http://www.sun.com/blueprints/0400/ram-vxfs.pdf -- richard ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.

Re: [zfs-discuss] Re: Configuring a 3510 for ZFS

2006-10-16 Thread Richard Elling - PAE
Anantha N. Srirama wrote: I'm glad you asked this question. We are currently expecting 3511 storage sub-systems for our servers. We were wondering about their configuration as well. This ZFS thing throws a wrench in the old line think ;-) Seriously, we now have to put on a new hat to figure out

Re: [zfs-discuss] Self-tuning recordsize

2006-10-16 Thread Roch
Matthew Ahrens writes: > Jeremy Teo wrote: > > Would it be worthwhile to implement heuristics to auto-tune > > 'recordsize', or would that not be worth the effort? > > Here is one relatively straightforward way you could implement this. > > You can't (currently) change the recordsize once

[zfs-discuss] Re: Configuring a 3510 for ZFS

2006-10-16 Thread Anantha N. Srirama
I'm glad you asked this question. We are currently expecting 3511 storage sub-systems for our servers. We were wondering about their configuration as well. This ZFS thing throws a wrench in the old line think ;-) Seriously, we now have to put on a new hat to figure out the best way to leverage b

Re[2]: [zfs-discuss] Thumper and ZFS

2006-10-16 Thread Robert Milkowski
Hello, Richard and Frank - thank you for info. -- Best regards, Robertmailto:[EMAIL PROTECTED] http://milek.blogspot.com ___ zfs-discuss mailing list zfs-discuss@opensolaris.org ht

Re: [zfs-discuss] Thumper and ZFS

2006-10-16 Thread Frank Leers
On Fri, 2006-10-13 at 01:05 +0200, Robert Milkowski wrote: > Hello zfs-discuss, > > While waiting for Thumpers to come I'm thinking how to configure > them. I would like to use raid-z. As thumper has 6 SATA controllers > each 8-port then maybe it would make sense to create raid-z groups >

Re: [zfs-discuss] Configuring a 3510 for ZFS

2006-10-16 Thread Noël Dellofano
you may also want to check out Eric Kustarz's blog,which is good to note if your're using storage arrays:http://blogs.sun.com/erickustarz/entry/vq_max_pendingNoelOn Oct 16, 2006, at 11:21 AM, Torrey McMahon wrote:Ciaran Johnston (AT/LMI) wrote: [SNIP]With our current filesystem, we create two 5-di

Re: [zfs-discuss] Changing number of disks in a RAID-Z?

2006-10-16 Thread Darren Dunham
> On 16 Oct 2006, at 14:30, Bill Sommerfeld wrote: > > On Sun, 2006-10-15 at 20:54 -0700, Matthew Ahrens wrote: > >> Frank Cusack wrote: > >>> Someone said being able to add devices to a raidz vdev is on the > >>> todo list. > >> > >> Don't hold your breath. This isn't being worked on, or on >

Re: [zfs-discuss] Configuring a 3510 for ZFS

2006-10-16 Thread Torrey McMahon
Ciaran Johnston (AT/LMI) wrote: [SNIP] With our current filesystem, we create two 5-disk RAID5 arrays and export these as two logical devices, with two spare disks. In a ZFS scenario, is it worth us letting the 3510 do RAID5 in the way we currently do, or should we let ZFS manage all the RAID us

Re: [zfs-discuss] Snapshots impact on performance

2006-10-16 Thread Neil Perrin
Matthew Ahrens wrote On 10/16/06 09:07,: Robert Milkowski wrote: Hello zfs-discuss, S10U2+patches. ZFS pool of about 2TB in size. Each day snapshot is created and 7 copies are kept. There's quota set for a file system however there's always at least 50GB of free space in a file system

Re: [zfs-discuss] Thumper and ZFS

2006-10-16 Thread Richard Elling - PAE
Robert Milkowski wrote: Hello Richard, Friday, October 13, 2006, 8:05:18 AM, you wrote: REP> Do you want data availability, data retention, space, or performance? data availability, space, performance Thumper is not designed for high data availability, more traditional RAID arrays are fully

[zfs-discuss] Configuring a 3510 for ZFS

2006-10-16 Thread Ciaran Johnston \(AT/LMI\)
Hi folks, Myself and a colleague are currently involved in a prototyping exercise to evaluate ZFS against our current filesystem. We are looking at the best way to arrange the disks in a 3510 storage array. We have been testing with the 12 disks on the 3510 exported as "nraid" logical devices. W

Re: [zfs-discuss] ZFS Usability issue : improve means of finding ZFS<->physdevice(s) mapping

2006-10-16 Thread Jonathan Edwards
On Oct 16, 2006, at 07:39, Darren J Moffat wrote: Noel Dellofano wrote: I don't understand why you can't use 'zpool status'? That will show the pools and the physical devices in each and is also a pretty basic command. Examples are given in the sysadmin docs and manpages for ZFS on the

Re: [zfs-discuss] Self-tuning recordsize

2006-10-16 Thread Torrey McMahon
Neil Perrin wrote: Torrey McMahon wrote On 10/15/06 22:13,: Matthew Ahrens wrote: Jeremy Teo wrote: Would it be worthwhile to implement heuristics to auto-tune 'recordsize', or would that not be worth the effort? It would be really great to automatically select the proper recordsize fo

Re: [zfs-discuss] Snapshots impact on performance

2006-10-16 Thread Matthew Ahrens
Robert Milkowski wrote: Hello zfs-discuss, S10U2+patches. ZFS pool of about 2TB in size. Each day snapshot is created and 7 copies are kept. There's quota set for a file system however there's always at least 50GB of free space in a file system (and much more in a pool). ZFS file system

Re: [zfs-discuss] Changing number of disks in a RAID-Z?

2006-10-16 Thread James Blackburn
Hi guys, On 16 Oct 2006, at 14:30, Bill Sommerfeld wrote: On Sun, 2006-10-15 at 20:54 -0700, Matthew Ahrens wrote: Frank Cusack wrote: Someone said being able to add devices to a raidz vdev is on the todo list. Don't hold your breath. This isn't being worked on, or on anyone's todo lis

Re: [zfs-discuss] zfs and zones

2006-10-16 Thread Lori Alt
Matthew Ahrens wrote: Mike Gerdts wrote: On 10/13/06, Matthew Ahrens <[EMAIL PROTECTED]> wrote: Using ZFS for a zones root is currently planned to be supported in solaris 10 update 5, but we are working on moving it up to update 4. Are there any areas where the community can help with this

Re: [zfs-discuss] Changing number of disks in a RAID-Z?

2006-10-16 Thread Bill Sommerfeld
On Sun, 2006-10-15 at 20:54 -0700, Matthew Ahrens wrote: > Frank Cusack wrote: > > Someone said being able to add devices to a raidz vdev is on the todo list. > > Don't hold your breath. This isn't being worked on, or on anyone's todo > list at this point, and implementing it would be pretty non

[zfs-discuss] Snapshots impact on performance

2006-10-16 Thread Robert Milkowski
Hello zfs-discuss, S10U2+patches. ZFS pool of about 2TB in size. Each day snapshot is created and 7 copies are kept. There's quota set for a file system however there's always at least 50GB of free space in a file system (and much more in a pool). ZFS file system is exported over NFS. S

Re: [zfs-discuss] ZFS Usability issue : improve means of finding ZFS<->physdevice(s) mapping

2006-10-16 Thread Darren J Moffat
Noel Dellofano wrote: I don't understand why you can't use 'zpool status'? That will show the pools and the physical devices in each and is also a pretty basic command. Examples are given in the sysadmin docs and manpages for ZFS on the opensolaris ZFS community page. I realize it's not qu