Re: [zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-05-08 Thread Erik Trimble
I also think I re-started this thread. Mea culpa. The original comment from me was that I wasn't certain that the bug I tripped over last year this time (a single-LUN zpool is declared corrupt if the underlying LUN goes away, usually due to SAN issues) was fixed. I did see that the host reset cycl

Re: [zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-05-08 Thread Richard Elling
Bob Friesenhahn wrote: On Fri, 8 May 2009, Miles Nordin wrote: It's frustrating to keep going in circles. Also I think advising people they no longer need to avoid single-LUN SAN pools is a bad idea. And blaming the SAN problems in silent bit-flips when it looks pretty clearly that they actua

[zfs-discuss] X4540 32GB SSD in x4500 as slog

2009-05-08 Thread Paul B. Henson
I see Sun has recently released part number XRA-ST1CH-32G2SSD, a 32GB SATA SSD for the x4540 server. We have five x4500's we purchased last year that we are deploying to provide file and web services to our users. One issue that we have had is horrible performance for the "single threaded process

Re: [zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-05-08 Thread Bob Friesenhahn
On Fri, 8 May 2009, Miles Nordin wrote: It's frustrating to keep going in circles. Also I think advising people they no longer need to avoid single-LUN SAN pools is a bad idea. And blaming the SAN problems in silent bit-flips when it looks pretty clearly that they actually lie elsewhere is dis

Re: [zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-05-08 Thread Miles Nordin
> "re" == Richard Elling writes: >> Remember when I said the SAN corruption issue was not >> root-caused? re> If your SAN corrupts data, how can you blame ZFS? (a) the fault has not been isolated to the SAN. Reading some pretty-printed message from ZFS saying ``it's not my

Re: [zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-05-08 Thread Richard Elling
Miles Nordin wrote: "re" == Richard Elling writes: re> PSARC 2007/567 oh, failmode? We were not talking about panics. We're talking about corrupted pools. Many of the systems in bugs related to this PSARC are not even using a SAN and are not reporting problems simliar to t

[zfs-discuss] Fwd: [on-discuss] Anyone willing to sponsor an ARC case for grub2?

2009-05-08 Thread Vladimir 'phcoder' Serbinenko
On Fri, May 8, 2009 at 1:48 PM, Martin Bochnig wrote: > 2009/5/8 Seth Goldberg : > > Hi, > > > > We're currently in the planning stages for EFI firmware boot support, > and > > that will most likely require us moving to GRUB2. > > > Amazing, looking forward to it. > Because I would like to conne

Re: [zfs-discuss] Anyone willing to sponsor an ARC case for grub2?

2009-05-08 Thread Darren J Moffat
C. Bergström wrote: Hi.. I'm not exactly familiar with the ARC/sponsor process, but thought I'd toss this out since Vladimir 'phcoder' Serbinenko mentioned the benefits of his port for grub2. I think by doing some sort of formal process we'll actually get feedback about the best way to move