Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-09-20 Thread Darren J Moffat
On 09/19/11 18:45, Jesus Cea wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I have a new answer: interaction between dataset encryption and L2ARC and ZIL. 1. I am pretty sure (but not completely sure) that data stored in the ZIL is encrypted, if the destination dataset uses encryption.

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-09-19 Thread Jesus Cea
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I have a new answer: interaction between dataset encryption and L2ARC and ZIL. 1. I am pretty sure (but not completely sure) that data stored in the ZIL is encrypted, if the destination dataset uses encryption. Can anybody confirm?. 2. What happens

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-09-19 Thread Jesus Cea
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 19/09/11 19:45, Jesus Cea wrote: I have a new answer: interaction between dataset encryption and L2ARC and ZIL. Question, a new question... :) - -- Jesus Cea Avion _/_/ _/_/_/_/_/_/ j...@jcea.es -

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-09-19 Thread Neil Perrin
On 9/19/11 11:45 AM, Jesus Cea wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I have a new answer: interaction between dataset encryption and L2ARC and ZIL. 1. I am pretty sure (but not completely sure) that data stored in the ZIL is encrypted, if the destination dataset uses encryption.

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-09-10 Thread Jesus Cea
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 30/08/11 06:48, Michael DeMan wrote: Are you truly new to ZFS? Or do you work for NetApp or EMC or somebody else that is curious? I am a Solaris Admin for the last 15 years, and a ZFS user from the very first public release. I think that

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-08-30 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Jesus Cea 1. Is the L2ARC data stored in the SSD checksummed?. If so, can I expect that ZFS goes directly to the disk if the checksum is wrong?. Yup. 2. Can I import a POOL if one/both

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-08-30 Thread Neil Perrin
On 08/30/11 08:31, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Jesus Cea 10. What happens if my 1GB of ZIL is too optimistic?. Will ZFS use the disks or it will stop writers until flushing ZIL to the HDs?.

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-08-30 Thread Darren J Moffat
On 08/30/11 15:31, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Jesus Cea 1. Is the L2ARC data stored in the SSD checksummed?. If so, can I expect that ZFS goes directly to the disk if the checksum is wrong?.

Re: [zfs-discuss] Advice with SSD, ZIL and L2ARC

2011-08-30 Thread Daniel Carosone
On Tue, Aug 30, 2011 at 03:53:48PM +0100, Darren J Moffat wrote: On 08/30/11 15:31, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Jesus Cea 1. Is the L2ARC data stored in the SSD checksummed?. If so, can I expect