Re: [zfs-discuss] Validating alignment of NTFS/VMDK/ZFS blocks

2010-03-18 Thread Brian H. Nelson
I have only heard of alignment being discussed in reference to block-based storage (like DASD/iSCSI/FC). I'm not really sure how it would work out over NFS. I do see why you are asking though. My understanding is that VMDK files are basically 'aligned' but the partitions inside of them may

Re: [zfs-discuss] ZFS upgrade.

2010-01-07 Thread Brian H. Nelson
James Lever wrote: Is there a way to upgrade my current ZFS version. I show the version could be as high as 22. The version of Solaris you are running only suport ZFS versions up to version 15 as demonstrated by your zfs upgrade -v output. You probably need a newer version of Solaris,

Re: [zfs-discuss] zfs/io performance on Netra X1

2009-11-13 Thread Brian H. Nelson
Bob Friesenhahn wrote: On Fri, 13 Nov 2009, Tim Cook wrote: If it is using parallel SCSI, perhaps there is a problem with the SCSI bus termination or a bad cable? SCSI? Try PATA ;) Is that good? I don't recall ever selecting that option when purchasing a computer. It seemed safer to

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Brian H. Nelson
Roland Rambau wrote: Richard, Tim, yes, one might envision the X4275 as OpenStorage appliances, but they are not. Exadata 2 is - *all* Sun hardware - *all* Oracle software (*) and that combination is now an Oracle product: a database appliance. Is there any reason the X4275 couldn't be an

[zfs-discuss] Why did my zvol shrink ?

2009-03-11 Thread Brian H. Nelson
creation. Thanks for any input, -Brian -- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu

[zfs-discuss] Performance issue with zfs send of a zvol (Again)

2009-01-20 Thread Brian H. Nelson
Nobody can comment on this? -Brian Brian H. Nelson wrote: I noticed this issue yesterday when I first started playing around with zfs send/recv. This is on Solaris 10U6. It seems that a zfs send of a zvol issues 'volblocksize' reads to the physical devices. This doesn't make any sense

Re: [zfs-discuss] zfs destroy is taking a long time...

2009-01-08 Thread Brian H. Nelson
is interested in looking. -Brian -- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu

[zfs-discuss] Performance issue with zfs send of a zvol

2009-01-06 Thread Brian H. Nelson
-- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu --- ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Inexpensive ZFS home server

2008-11-12 Thread Brian H. Nelson
Jonathan Loran wrote: David Evans wrote: For anyone looking for a cheap home ZFS server... Dell is having a sale on their PowerEdge SC440 for $199 (regular $598) through 11/12/2008. http://www.dell.com/content/products/productdetails.aspx/pedge_sc440?c=uscs=04l=ens=bsd Its got Dual Core

Re: [zfs-discuss] zfs patches in latest sol10 u2 patch bundle

2008-07-16 Thread Brian H. Nelson
Manyam wrote: Hi ZFS gurus -- I have a v240 with solaris10 u2 release and ZFs - could you please tell me if by applying the latest patch bundle of update 2 -- I will get the all the ZFS patches installed as well ? It is possible to patch your way up to the U5 kernel and related

Re: [zfs-discuss] How to identify zpool version

2008-06-16 Thread Brian H. Nelson
Peter Hawkins wrote: Can zpool on U3 be patched to V4? I've applied the latest cluster and it still seems to be V3. Yes, you can patch your way up to the Sol 10 U4 kernel (or even U5 kernel) which will give you zpool v4 support. The particular patch you need is 120011-14 or 120012-14

Re: [zfs-discuss] [SOLVED] USB hard to ZFS

2008-06-16 Thread Brian H. Nelson
Andrius wrote: That is true, but # kill -HUP `pgrep vold` usage: kill [ [ -sig ] id ... | -l ] I think you already did this as per a previous message: # svcadm disable volfs As such, vold isn't running. Re-enable the service and you should be fine. -Brian

Re: [zfs-discuss] How to identify zpool version

2008-06-13 Thread Brian H. Nelson
S10 U4 and U5 both use ZFS v4 (you specified your U4 machine as using v3). If you have access to both machines, you can do 'zpool upgrade -v' to confirm which versions are being used. -Brian Peter Hawkins wrote: By the way I'm sure the pool was created using S10 Update 5 This message

Re: [zfs-discuss] The ZFS inventor and Linus sitting in a tree?

2008-05-20 Thread Brian H. Nelson
Keith Bierman wrote: Not being a lawyer, and this not being a Legal forum ... can we leave license analysis alone? The GNU _itself_ states that it is not allowable in plain English. Why people continue to argue about it is beyond me :-) Common Development and Distribution License

Re: [zfs-discuss] Need help with a dead disk

2008-02-12 Thread Brian H. Nelson
, -Brian Brian H. Nelson wrote: Ok. I think I answered my own question. ZFS _didn't_ realize that the disk was bad/stale. I power-cycled the failed drive (external) to see if it would come back up and/or run diagnostics on it. As soon as I did that, ZFS put the disk ONLINE and started using

[zfs-discuss] Need help with a dead disk (was: ZFS keeps trying to open a dead disk: lots of logging)

2008-02-12 Thread Brian H. Nelson
? This is a production machine and I'm getting concerned. I _really_ don't like the fact that ZFS is using a suspect drive, but I can't seem to make it stop! Thanks, -Brian Brian H. Nelson wrote: This is Solaris 10U3 w/127111-05. It appears that one of the disks in my zpool died yesterday. I

[zfs-discuss] ZFS keeps trying to open a dead disk: lots of logging

2008-02-12 Thread Brian H. Nelson
? Also, I noticed that the 'action' says to attach the device and 'zpool online' it. Am I correct in assuming that a 'zpool replace' is what would really be needed, as the data on the disk will be outdated? Thanks, -Brian -- --- Brian H. Nelson

Re: [zfs-discuss] Do we have a successful installation method for patch 120011-14?

2007-10-04 Thread Brian H. Nelson
-- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu --- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] Do we have a successful installation method for patch 120011-14?

2007-10-04 Thread Brian H. Nelson
Windsor wrote: Yeah, the only thing wrong with that patch is that it eats /etc/sma/snmp/snmpd.conf All is not lost, your original is copied to /etc/sma/snmp/snmpd.conf.save in the process. Rob++ Brian H. Nelson wrote: Manually installing the obsolete patch 122660-10 has worked fine

Re: [zfs-discuss] ZFS array NVRAM cache?

2007-09-26 Thread Brian H. Nelson
://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Cache_Flushes -Brian -- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu

Re: [zfs-discuss] An Academic Sysadmin's Lament for ZFS ?

2007-09-10 Thread Brian H. Nelson
Stephen Usher wrote: Brian H. Nelson: I'm sure it would be interesting for those on the list if you could outline the gotchas so that the rest of us don't have to re-invent the wheel... or at least not fall down the pitfalls. I believe I ran into one or both of these bugs: 6429996

Re: [zfs-discuss] An Academic Sysadmin's Lament for ZFS ?

2007-09-10 Thread Brian H. Nelson
are not using the z_pool_ for anything else, I would remove the automatic mount point for it. -Brian -- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu

Re: [zfs-discuss] An Academic Sysadmin's Lament for ZFS ?

2007-09-10 Thread Brian H. Nelson
Stephen Usher wrote: Brian H. Nelson: I'm sure it would be interesting for those on the list if you could outline the gotchas so that the rest of us don't have to re-invent the wheel... or at least not fall down the pitfalls. Also, here's a link to the ufs on zvol blog where I

Re: [zfs-discuss] An Academic Sysadmin's Lament for ZFS ?

2007-09-07 Thread Brian H. Nelson
, snapshots, growable pool, etc) with no changes in userland. There are a couple gotcha's but as long as you're aware of them, it works pretty good. We've been using it since January. -Brian -- --- Brian H. Nelson Youngstown State University

Re: [zfs-discuss] ZFS overhead killed my ZVOL

2007-04-03 Thread Brian H. Nelson
Can anyone comment? -Brian Brian H. Nelson wrote: Adam Leventhal wrote: On Tue, Mar 20, 2007 at 06:01:28PM -0400, Brian H. Nelson wrote: Why does this happen? Is it a bug? I know there is a recommendation of 20% free space for good performance, but that thought never occurred to me when

[zfs-discuss] ZFS overhead killed my ZVOL

2007-03-20 Thread Brian H. Nelson
to the underlining zfs if only zvols are used? That would be really unfortunate. I think most people wanting to use a zvol would want to use 100% of a pool toward the zvol. -Brian -- --- Brian H. Nelson Youngstown State University System

[zfs-discuss] UFS on zvol: volblocksize and maxcontig

2007-01-26 Thread Brian H. Nelson
. Thanks much! -Brian -- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu

Re: [zfs-discuss] UFS on zvol: volblocksize and maxcontig

2007-01-26 Thread Brian H. Nelson
Darren J Moffat wrote: Brian H. Nelson wrote: For several reasons we currently need to stay on UFS and can't switch to ZFS proper. So instead we have opted to do UFS on a zvol using raid-z, Can you state what those reasons are please ? I know that isn't answering the question you

Re: [zfs-discuss] UFS on zvol: volblocksize and maxcontig

2007-01-26 Thread Brian H. Nelson
that they are a one to one replacement for ufs quotas in terms of usability in all situations. -Brian -- --- Brian H. Nelson Youngstown State University System Administrator Media and Academic Computing bnelson[at]cis.ysu.edu