Re: [zfs-discuss] Enabling compression/encryption on a populated filesystem

2006-07-14 Thread Bill Sommerfeld
On Fri, 2006-07-14 at 07:03, Darren J Moffat wrote: > The current plan is that encryption must be turned on when the file > system is created and can't be turned on later. This means that the > zfs-crypto work depends on the RFE to set properties at file system > creation time. > > You also wo

Re: [zfs-discuss] Enabling compression/encryption on a populated filesystem

2006-07-14 Thread Bill Sommerfeld
On Fri, 2006-07-14 at 07:03, Darren J Moffat wrote: > The current plan is that encryption must be turned on when the file > system is created and can't be turned on later. This means that the > zfs-crypto work depends on the RFE to set properties at file system > creation time. > > You also wo

Re: [zfs-discuss] How to monitor ZFS ?

2006-07-14 Thread eric kustarz
martin wrote: How could i monitor zfs ? or the zpool activity ? I want to know if anything wrong is going on. If i could receive those warning by email, it would be great :) For pool health: # zpool status -x all pools are healthy # To monitor activity, use 'zpool iostat 1' to monitor j

Re: [zfs-discuss] howto reduce ?zfs introduced? noise

2006-07-14 Thread David Bustos
Quoth Thomas Maier-Komor on Thu, Jul 13, 2006 at 04:19:11AM -0700: > after switching over to zfs from ufs for my ~/ at home, I am a little > bit disturbed by the noise the disks are making. To be more precise, > I always have thunderbird and firefox running on my desktop and either > or both seem t

Re: [zfs-discuss] Enabling compression/encryption on a populated filesystem

2006-07-14 Thread Darren Reed
Darren J Moffat wrote: The problem with encrypting in place is knowing when the system is "safe", ie when it is done. There are lots of things in this area that are possible but they certainly aren't in the first deliveries for this project and with all due respect no amount of pushing by an

[zfs-discuss] Re: S10U2: zfs instant hang with dovecot imap server using mmap

2006-07-14 Thread Adrian Saul
There are also a number of procmail processes with the following thread stacks > 0t1611::pid2proc|::walk thread|::findstack -v stack pointer for thread d8ae1a00: d3bcbbac [ d3bcbbac 0xfe826b37() ] d3bcbbc4 swtch+0x13e() d3bcbbe8 cv_wait_sig+0x119(da58fb4c, d46a8680) d3bcbc00 wait_for_lock+0x

[zfs-discuss] Re: S10U2: zfs instant hang with dovecot imap server using mmap

2006-07-14 Thread Adrian Saul
Oh - and by instant hang I mean I can reproduce it simply by rebooting, enabling the dovecot service and then connecting to dovecot with thunderbird. This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org ht

Re: [zfs-discuss] Enabling compression/encryption on a populated filesystem

2006-07-14 Thread Darren J Moffat
The problem with encrypting in place is knowing when the system is "safe", ie when it is done. There are lots of things in this area that are possible but they certainly aren't in the first deliveries for this project and with all due respect no amount of pushing by anyone will change my mind

[zfs-discuss] S10U2: zfs instant hang with dovecot imap server using mmap

2006-07-14 Thread Adrian Saul
Hi, I just upgraded my home box to run Solaris 10 6/06 and converted my previous filesytems over to ZFS, including /var/mail. Previously on S10 FCS I was running dovecot mail server from blastwave.org without issue. On upgrading to Update 2 I have found that the mail server hangs frequently.

[zfs-discuss] Re: raidz and 512 byte files

2006-07-14 Thread Anton B. Rang
In RAID-Z, the width of the stripe can vary. For a small block (such as would hold 512 bytes or less of file data), the stripe will be 1 data block and either 1 or 2 parity blocks. So a full-stripe write will simply look like either mirroring (RAIDZ1) or mirror plus one additional ECC block (RAI

Re: [zfs-discuss] Enabling compression/encryption on a populated filesystem

2006-07-14 Thread Darren Reed
Darren J Moffat wrote: Darren Reed wrote: Hmmm, well, I suppose the same problem might apply to encrypting data too...so maybe what I need is a zfs command that will walk the filesystem's data tree, read in data and write it back out according to the current data policy. And if that file sy

Re: [zfs-discuss] Enabling compression/encryption on a populated filesystem

2006-07-14 Thread Darren J Moffat
Darren Reed wrote: Hmmm, well, I suppose the same problem might apply to encrypting data too...so maybe what I need is a zfs command that will walk the filesystem's data tree, read in data and write it back out according to the current data policy. And if that file system is multiple terrabytes