[zfs-discuss] Expand zpool capacity

2010-03-01 Thread Vladimir Leitenberger
Hello, Experts. I've got a problem. I'm trying to expand my main zpool (rpool), but don't know how to do that. (i'm 100% newbie in non-windows world) I use Osol under Vmware on Windows. I had a pretty small vhdd -> only 12gb. Yesterday i decided to expand my virtual drive to 20gb. (After severa

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread Erik Trimble
Eric D. Mudama wrote: On Sun, Feb 28 at 20:10, Erik Trimble wrote: Obviously, having different filesystems gives you the ability to set different values for attributes, which may substantially improve performance or storage space depending on the data in that filesystem. As an example above,

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread Paul B. Henson
On Mon, 1 Mar 2010, Nicolas Williams wrote: > Yes, that sounds useful. (Group modebits could be applied to all ACEs > that are neither owner@ nor everyone@ ACEs.) That sounds an awful lot like the POSIX mask_obj, which was the bane of my previous filesystem, DFS, and which, as it seems history r

Re: [zfs-discuss] Consolidating a huge stack of DVDs using ZFS dedup: automation?

2010-03-01 Thread Thomas Burgess
On Mon, Mar 1, 2010 at 11:48 PM, valrh...@gmail.com wrote: > One of the most useful things I've found with ZFS dedup (way to go Jeff > Bonwick and Co.!) is the ability to consolidate backups. I had six different > complete backups of all of my files spread out over various hard drives, and > dedup

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread Thomas Burgess
On Mon, Mar 1, 2010 at 12:44 PM, Richard Elling wrote: > On Mar 1, 2010, at 7:42 AM, Thomas Burgess wrote: > > > Also consider that you might not want to snapshot the entire pool. > > Snapshots work on the dataset, not the pool (there is no "zpool snapshot" > command :-) > > This is my entire poin

[zfs-discuss] Consolidating a huge stack of DVDs using ZFS dedup: automation?

2010-03-01 Thread valrh...@gmail.com
One of the most useful things I've found with ZFS dedup (way to go Jeff Bonwick and Co.!) is the ability to consolidate backups. I had six different complete backups of all of my files spread out over various hard drives, and dedup allowed me to consolidate them into something that took less twi

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread Paul B. Henson
On Sun, 28 Feb 2010, Kjetil Torgrim Homme wrote: > why are you doing this? it's inherently insecure to rely on ACL's to > restrict access. do as David says and use ACL's to *grant* access. if > needed, set permission on the file to 000 and use umask 777. Umm, it's inherently insecure to rely o

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread Eric D. Mudama
On Sun, Feb 28 at 20:10, Erik Trimble wrote: Obviously, having different filesystems gives you the ability to set different values for attributes, which may substantially improve performance or storage space depending on the data in that filesystem. As an example above, I would consider turnin

Re: [zfs-discuss] Large scale ZFS deployments out there (>200 disks)

2010-03-01 Thread Paul B. Henson
On Sat, 27 Feb 2010, Jens Elkner wrote: > At least on S10u8 its not that bad. Last time I patched and rebooted > a X4500 with ~350 ZFS it took about 10min to come up, a X4600 with > a 3510 and ~2350 ZFS took about 20min (almost all are shared via NFS). Our x4500's with about 8000 filesystems per

Re: [zfs-discuss] Snapshot sizes

2010-03-01 Thread Moshe Vainer
Except none of these actually gives you the information about "send size". Used will give you unique bytes, so in my understanding it would change as you add more snapshots, and especially with dedup. Referenced is more or less equivalent to doing DU on the .zfs/snapshot directory. So basically,

Re: [zfs-discuss] [indiana-discuss] future of OpenSolaris

2010-03-01 Thread Erik Trimble
On Mon, 2010-03-01 at 20:52 -0500, Thomas Burgess wrote: > "There may be some things we choose not to open source going forward, > similar to how MySQL manages certain value-add[s] at the top of the > stack," Roberts said. "It's important to understand the plan now is to > deliver value again out o

Re: [zfs-discuss] [indiana-discuss] future of OpenSolaris

2010-03-01 Thread C. Bergström
Thomas Burgess wrote: "There may be some things we choose not to open source going forward, similar to how MySQL manages certain value-add[s] at the top of the stack," Roberts said. "It's important to understand the plan now is to deliver value again out of our IP investment, while at the same

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread Jeffrey Hutzelman
--On Monday, March 01, 2010 03:21:42 PM -0600 Nicolas Williams wrote: On Fri, Feb 26, 2010 at 03:00:29PM -0500, Miles Nordin wrote: > "nw" == Nicolas Williams writes: nw> What could we do to make it Re: [zfs-discuss] Who is using ZFS ACL's in production?easier to use ACLs? 1. ho

Re: [zfs-discuss] ZFS compression and deduplication on root pool on SSD

2010-03-01 Thread valrh...@gmail.com
One of the great privileges of using OpenSolaris is the helpfulness and deep knowledge of the community. Thanks for the suggestions. I cleared out /var/pkg/downloads, and got back a couple of gigabytes. I've enabled compress and dedup. Is there a simple set of commands that I could send that fi

Re: [zfs-discuss] [indiana-discuss] future of OpenSolaris

2010-03-01 Thread Thomas Burgess
"There may be some things we choose not to open source going forward, similar to how MySQL manages certain value-add[s] at the top of the stack," Roberts said. "It's important to understand the plan now is to deliver value again out of our IP investment, while at the same time measuring that with c

Re: [zfs-discuss] [indiana-discuss] future of OpenSolaris

2010-03-01 Thread Tim Cook
2010/3/1 "C. Bergström" > Troy Campbell wrote: > >> >> >> On 02/24/10 12:04 PM, Marc Nicholas wrote: >> >>> >>> >>> On Wed, Feb 24, 2010 at 2:02 PM, Troy Campbell >> > wrote: >>> >>> >>> http://www.oracle.com/technology/community/sun-oracle-community-continuity.htm

Re: [zfs-discuss] [indiana-discuss] future of OpenSolaris

2010-03-01 Thread C. Bergström
Troy Campbell wrote: On 02/24/10 12:04 PM, Marc Nicholas wrote: On Wed, Feb 24, 2010 at 2:02 PM, Troy Campbell mailto:troy.campb...@fedex.com>> wrote: http://www.oracle.com/technology/community/sun-oracle-community-continuity.html Half way down it says: Will Oracle support

Re: [zfs-discuss] Observations about compressability of metadata L2ARC

2010-03-01 Thread Henrik Johansson
On Feb 21, 2010, at 6:40 PM, Andrey Kuzmin wrote: > I don't see why this couldn't be extended beyond metadata (+1 for the > idea): if zvol is compressed, ARC/L2ARC could store compressed data. > The gain is apparent: if user has compression enabled for the volume, > he/she expects volume's data t

Re: [zfs-discuss] [indiana-discuss] future of OpenSolaris

2010-03-01 Thread Troy Campbell
On 02/24/10 12:04 PM, Marc Nicholas wrote: On Wed, Feb 24, 2010 at 2:02 PM, Troy Campbell mailto:troy.campb...@fedex.com>> wrote: http://www.oracle.com/technology/community/sun-oracle-community-continuity.html Half way down it says: Will Oracle support Java and OpenSolaris User

Re: [zfs-discuss] Mismatched replication levels

2010-03-01 Thread Ian Collins
Eduardo Bragatto wrote: On Mar 1, 2010, at 4:04 PM, Tim Cook wrote: The primary concern as I understand it is performance. If they're close in size, it shouldn't be a big deal, but when you've got mismatched rg's it can cause quite the performance troubleshooting nightmare. It's the same reas

Re: [zfs-discuss] flying ZFS pools

2010-03-01 Thread Henrik Johansson
Hello, On Mar 1, 2010, at 11:57 PM, Ahmad AlTwaijiry wrote: > Hi everyone, > > I'm preparing around 6 Solaris physical servers and I want to see if > it's possible to create a zfs pool that I can make it as a shared pool > between all the 6 servers (not concurrent, just active-passive way) is >

[zfs-discuss] flying ZFS pools

2010-03-01 Thread Ahmad AlTwaijiry
Hi everyone, I'm preparing around 6 Solaris physical servers and I want to see if it's possible to create a zfs pool that I can make it as a shared pool between all the 6 servers (not concurrent, just active-passive way) is that possible? Is there any article that can show me how to do it ? sorry

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread David Dyer-Bennet
On Mon, March 1, 2010 15:50, Miles Nordin wrote: >> "dd" == David Dyer-Bennet writes: > > dd> Okay, but the argument goes the other way just as well -- when > dd> I run "chmod 6400 foobar", I want the permissions set that > dd> specific way, and I don't want some magic background

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread Bill Sommerfeld
On 03/01/10 13:50, Miles Nordin wrote: "dd" == David Dyer-Bennet writes: dd> Okay, but the argument goes the other way just as well -- when dd> I run "chmod 6400 foobar", I want the permissions set that dd> specific way, and I don't want some magic background feature dd>

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread Miles Nordin
> "dd" == David Dyer-Bennet writes: dd> Okay, but the argument goes the other way just as well -- when dd> I run "chmod 6400 foobar", I want the permissions set that dd> specific way, and I don't want some magic background feature dd> blocking me. This will be true either w

Re: [zfs-discuss] ARC **REAL** Size ??

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 1:17 PM, Abdullah Al-Dahlawi wrote: > Hi Richard > > I have 4GB RAM , However, I deliberately set ARC_MAX = 500M and then start > reading the file into ARC. > My assumption was the ARC will cache a file of a size close to 500M . but > like I said , I have noticed that file si

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread Nicolas Williams
On Fri, Feb 26, 2010 at 03:00:29PM -0500, Miles Nordin wrote: > > "nw" == Nicolas Williams writes: > > nw> What could we do to make it easier to use ACLs? > > 1. how about AFS-style ones where the effective permission is the AND >of the ACL and the unix permission? You might have to

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread Miles Nordin
> "pbh" == Paul B Henson writes: pbh> the inability to apply an ACL to a file kind of sucked. It was not a stupid limitation: You can still apply simple, easily-understood UNIX ACL's to files because the separate rulespaces are ANDed together, but if you want baroque if-OR-then set-theory

[zfs-discuss] Size of a single ARC Hit !!

2010-03-01 Thread Abdullah Al-Dahlawi
Greeting All How much data is retrieved by a single ARC hit (Demand & Prefetch lists) ?? Does a single hit means that ZFS will read a total number of bytes equal to the file system "recordsize" from the RAM ??? More ?? Less ?? -- Abdullah Al-Dahlawi PhD Candidate George Washington Universi

Re: [zfs-discuss] Mismatched replication levels

2010-03-01 Thread Eduardo Bragatto
On Mar 1, 2010, at 4:04 PM, Tim Cook wrote: The primary concern as I understand it is performance. If they're close in size, it shouldn't be a big deal, but when you've got mismatched rg's it can cause quite the performance troubleshooting nightmare. It's the same reason you don't want to

Re: [zfs-discuss] ARC **REAL** Size ??

2010-03-01 Thread Abdullah Al-Dahlawi
Hi Richard I have 4GB RAM , However, I deliberately set ARC_MAX = 500M and then start reading the file into ARC. My assumption was the ARC will cache a file of a size close to 500M . but like I said , I have noticed that file size of 200M are cached completely , larger file will start generating p

Re: [zfs-discuss] sizing for L2ARC and dedup...

2010-03-01 Thread Daniel Carosone
On Mon, Mar 01, 2010 at 09:22:38AM -0800, Richard Elling wrote: > > Once again, I'm assuming that each DDT entry corresponds to a > > record (slab), so to be exact, I would need to know the number of > > slabs (which doesn't currently seem possible). I'd be satisfied > > with a guesstimate bas

[zfs-discuss] image-update looping in libzfs or libbe

2010-03-01 Thread Kristin Amundsen-Cubanski
Hi all, I had this on pkg-discuss but it seems the issue is not with pkg itself. I am trying to update our OpenSolaris 2009.06 server and it is getting stuck in a loop. kris...@waldorf:~# pkg image-update -v Creating Plan / Before evaluation: UNEVALUATED: (bunch of packages) After evaluation: (

Re: [zfs-discuss] Mismatched replication levels

2010-03-01 Thread Tim Cook
On Mon, Mar 1, 2010 at 12:58 PM, Eduardo Bragatto wrote: > Hi everyone, > > I just joined the list after finding an unanswered message from Ray Van > Dolson in the archives. > > I'm reproducing his question here, as I'm wondering about the same issue > and did not find an answer for it anywhere ye

[zfs-discuss] Mismatched replication levels

2010-03-01 Thread Eduardo Bragatto
Hi everyone, I just joined the list after finding an unanswered message from Ray Van Dolson in the archives. I'm reproducing his question here, as I'm wondering about the same issue and did not find an answer for it anywhere yet. Can anyone shed any light on this subject? -- Original Mes

Re: [zfs-discuss] ARC **REAL** Size ??

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 12:21 AM, Abdullah Al-Dahlawi wrote: > Greeting All > > I know this topic have been beaten to death however, something is really > confusing on my part !! > > I set the max_arc size = 512 mb ok > I ran my benchmark workload that loads a file with a specific size into ARC >

Re: [zfs-discuss] Snapshot sizes

2010-03-01 Thread Richard Elling
Cindy spent a lot of time trying to make this understandable in the ZFS Admin Guide. A quick refresher below... On Mar 1, 2010, at 8:55 AM, David Dyer-Bennet wrote: > Okay, since I'm finally starting to care (projecting long-term use, so I > can set my snapshot taking and retention policy, and e

Re: [zfs-discuss] ARC **REAL** Size ??

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 12:21 AM, Abdullah Al-Dahlawi wrote: > Greeting All > > I know this topic have been beaten to death however, something is really > confusing on my part !! > > I set the max_arc size = 512 mb > > I ran my benchmark workload that loads a file with a specific size into ARC > .

Re: [zfs-discuss] ARC & Maxphys & recordsize

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 1:31 AM, Abdullah Al-Dahlawi wrote: > Greeting ALL > > Can someone explain to me why I was successfully able issue (through > application) an I/Os of 128K each (monitored by DTrace) while my Maxphys=56K > only ?? > > My understanding is that Maxphys is the max I/O size th

Re: [zfs-discuss] Mirror Stripe

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 8:32 AM, Giovanni Tirloni wrote: > On Mon, Mar 1, 2010 at 1:16 PM, Tony MacDoodle wrote: > What is the following syntax? > > zpool create tank mirror c1t2d0 c1t3d0 mirror c1t4d0 c1t5d0 spare c1t6d0 > > Is this RAID 0+1 or 1+0? > > That's RAID1+0. You are mirroring devices a

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 7:42 AM, Thomas Burgess wrote: > Also consider that you might not want to snapshot the entire pool. Snapshots work on the dataset, not the pool (there is no "zpool snapshot" command :-) What usually trips me up is the auto-snapshot service and inherited properties. You will w

Re: [zfs-discuss] zpool creation question - should i add slice number?

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 3:13 AM, Nik Masloff wrote: > Hi, > > I`m creating zpool mirror with 2 hdd`s. Question - should I mention the slice > number while creating the mirror? Absolutely, positively yes. Otherwise you won't be able to boot from the mirror because booting is not currently working f

Re: [zfs-discuss] Long time on old metaslab policy - fragmented pool?

2010-03-01 Thread Richard Elling
On Mar 1, 2010, at 2:38 AM, Steve wrote: > We have had a pool on a fishworks appliance, since June 2009, which has been > filled up with files of varying sizes... all of this data has been written > prior to the metaslab fix of reducing metaslab_df_free_pct to 5... > > Whats the chances that ou

Re: [zfs-discuss] sizing for L2ARC and dedup...

2010-03-01 Thread Richard Elling
On Feb 28, 2010, at 11:04 PM, Erik Trimble wrote: > Richard Elling wrote: >> On Feb 28, 2010, at 7:11 PM, Erik Trimble wrote: >> >>> I'm finally at the point of adding an SSD to my system, so I can get >>> reasonable dedup performance. >>> >>> The question here goes to sizing of the SSD for us

Re: [zfs-discuss] Installing Solaris 10 with ZFS Root FS

2010-03-01 Thread Romain LAMAISON
Thanks to all of you ! I'm downloading Solaris 10 10/09 right now. -- Romain LAMAISON Ingénieur - Chef de projets Email : romain.lamai...@stockho.com Tel : 01 40 33 25 15 Site web : si.stockho.com STOCKHO SI 2, Boulevard Saint Martin 75010 PARIS Le 01/03/2010 17:41, casper@sun.com a écri

Re: [zfs-discuss] suggested ssd for zil

2010-03-01 Thread Brandon High
On Sun, Feb 28, 2010 at 9:22 PM, Erik Trimble wrote: > I'm pretty sure that all SandForce-based SSDs don't use DRAM as their cache, > but take a hunk of flash to use as scratch space instead. Which means that > they'll be OK for ZIL use.  OCZ's  Vertex 2 EX and Vertex 2 both use the > controller,

[zfs-discuss] Snapshot sizes

2010-03-01 Thread David Dyer-Bennet
Okay, since I'm finally starting to care (projecting long-term use, so I can set my snapshot taking and retention policy, and estimate disk needs), I need a review of reading snapshot size information. >From the user end, there are three "sizes" that I can imagine caring about for a snapshot: 1)

Re: [zfs-discuss] Installing Solaris 10 with ZFS Root FS

2010-03-01 Thread Casper . Dik
>Hi Cindy, > >thanks for your quick response ! I'm trying to install Solaris 10 11/06. >I don't know how the version numbering works so I don't know if my >version is newer than 10/08. > It's month/year; 11/06 is a three years and a bit over. Casper _

Re: [zfs-discuss] Installing Solaris 10 with ZFS Root FS

2010-03-01 Thread Casper . Dik
>Hi Romain, > >The option to select a ZFS root file system or a UFS root file system >is available starting in the Solaris 10 10/08 release. (aka update 6, right?) >> I wish to install a Solaris 10 on a ZFS mirror but in the installer (in >> interactive text mode) I don't have choice of the fi

Re: [zfs-discuss] Installing Solaris 10 with ZFS Root FS

2010-03-01 Thread Romain LAMAISON
Hi Cindy, thanks for your quick response ! I'm trying to install Solaris 10 11/06. I don't know how the version numbering works so I don't know if my version is newer than 10/08. Regards, -- Romain LAMAISON Ingénieur - Chef de projets Email : romain.lamai...@stockho.com Tel : 01 40 33 25 15 S

Re: [zfs-discuss] Mirror Stripe

2010-03-01 Thread Giovanni Tirloni
On Mon, Mar 1, 2010 at 1:16 PM, Tony MacDoodle wrote: > What is the following syntax? > > *zpool create tank mirror c1t2d0 c1t3d0 mirror c1t4d0 c1t5d0 spare c1t6d0 > * > * > * > Is this RAID 0+1 or 1+0?* > * > That's RAID1+0. You are mirroring devices and them striping the mirrors together. AFA

Re: [zfs-discuss] Installing Solaris 10 with ZFS Root FS

2010-03-01 Thread Cindy Swearingen
Hi Romain, The option to select a ZFS root file system or a UFS root file system is available starting in the Solaris 10 10/08 release. Which Solaris 10 release are you trying to install? Thanks, Cindy On 03/01/10 09:23, Romain LAMAISON wrote: Hi all, I wish to install a Solaris 10 on a ZFS

[zfs-discuss] Installing Solaris 10 with ZFS Root FS

2010-03-01 Thread Romain LAMAISON
Hi all, I wish to install a Solaris 10 on a ZFS mirror but in the installer (in interactive text mode) I don't have choice of the filesystem : I only have 'SOLARIS' fs type (which is UFS if I'm right). I read on the net that I should have a screen where I could choose if I want UFS or ZFS be

[zfs-discuss] Mirror Stripe

2010-03-01 Thread Tony MacDoodle
What is the following syntax? *zpool create tank mirror c1t2d0 c1t3d0 mirror c1t4d0 c1t5d0 spare c1t6d0 * * * Is this RAID 0+1 or 1+0?* * Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-di

Re: [zfs-discuss] zpool import as unavailable when mpxio disabled

2010-03-01 Thread mingli
and one thing confuse me is that parts of disk as OS devices and parts of MPxIO device: bash-3.00# zpool status pool: tpool1 state: UNAVAIL status: One or more devices could not be opened. There are insufficient replicas for the pool to continue functioning. action: Attach the missing

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread Thomas Burgess
Also consider that you might not want to snapshot the entire pool. For instance, if you have a media server, you may have a dump dir and a torrent dir, you probably wouldn 't want to snapshot this because it changes a lot and the snapshots could grow very large (or you may wish to snapshot it but

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread David Dyer-Bennet
On Sun, February 28, 2010 21:24, tomwaters wrote: > Hi guys, on my home server I have a variety of directories under a single > pool/filesystem, Cloud. > > Things like > cloud/movies -> 4TB > cloud/music -> 100Gig > cloud/winbackups -> 1TB > cloud/data -> 1TB > > etc. > > After doing some

Re: [zfs-discuss] suggested ssd for zil

2010-03-01 Thread Zhu Han
best regards, hanzhu On Mon, Mar 1, 2010 at 8:47 PM, Eugen Leitl wrote: > On Mon, Mar 01, 2010 at 12:18:45AM -0500, rwali...@washdcmail.com wrote: > > > > ACARD ANS-9010, as mentioned several times here recently (also sold as > > > hyperdrive5) > > > > You are right. I saw that in a recent thr

Re: [zfs-discuss] crashed zpool

2010-03-01 Thread Nigel Smith
Hello Carsten Have you examined the core dump file with mdb ::stack to see if this give a clue to what happend? Regards Nigel -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.o

Re: [zfs-discuss] suggested ssd for zil

2010-03-01 Thread Eugen Leitl
On Mon, Mar 01, 2010 at 12:18:45AM -0500, rwali...@washdcmail.com wrote: > > ACARD ANS-9010, as mentioned several times here recently (also sold as > > hyperdrive5) > > You are right. I saw that in a recent thread. In my case I don't have a > spare bay for it. I'm similarly constrained on so

Re: [zfs-discuss] zpool creation question - should i add slice number?

2010-03-01 Thread Robert Milkowski
On 01/03/2010 11:13, Nik Masloff wrote: Hi, I`m creating zpool mirror with 2 hdd`s. Question - should I mention the slice number while creating the mirror? I`ve done it that way: bash-3.00# zpool create -f zones mirror c1t2d0 c1t3d0 Is that OK? Yes, that's ok. If you don't specify a s

[zfs-discuss] zpool creation question - should i add slice number?

2010-03-01 Thread Nik Masloff
Hi, I`m creating zpool mirror with 2 hdd`s. Question - should I mention the slice number while creating the mirror? I`ve done it that way: bash-3.00# zpool create -f zones mirror c1t2d0 c1t3d0 Is that OK? AFAIK - according to solaris disk mapping, s0 - is a slice, s2 - is a whole disk slic

[zfs-discuss] Long time on old metaslab policy - fragmented pool?

2010-03-01 Thread Steve
We have had a pool on a fishworks appliance, since June 2009, which has been filled up with files of varying sizes... all of this data has been written prior to the metaslab fix of reducing metaslab_df_free_pct to 5... Whats the chances that our pool is now highly fragmented, and the metaslab c

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread tomwaters
Thanks for that Erik. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] suggested ssd for zil

2010-03-01 Thread Zhu Han
Erik, That's very useful. Thank you! best regards, hanzhu On Mon, Mar 1, 2010 at 4:48 PM, Erik Trimble wrote: > Zhu Han wrote: > > >> On Mon, Mar 1, 2010 at 1:05 PM, Daniel Carosone > d...@geek.com.au>> wrote: >> >>> Is there anything that is safe to use as a ZIL, faster than the >>>

[zfs-discuss] ARC & Maxphys & recordsize

2010-03-01 Thread Abdullah Al-Dahlawi
Greeting ALL Can someone explain to me why I was successfully able issue (through application) an I/Os of 128K each (monitored by DTrace) while my Maxphys=56K only ?? My understanding is that Maxphys is the max I/O size that the storage device can handle for a single I/O, it has been well do

Re: [zfs-discuss] suggested ssd for zil

2010-03-01 Thread Erik Trimble
Zhu Han wrote: On Mon, Mar 1, 2010 at 1:05 PM, Daniel Carosone > wrote: > Is there anything that is safe to use as a ZIL, faster than the > Mtron but more appropriate for home than a Stec? ACARD ANS-9010, as mentioned several times here recently (also sold

[zfs-discuss] crashed zpool

2010-03-01 Thread Carsten John
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hello everybody, last week we experienced a severe outage due to a crashed zpool. I'm now in the process of investigating the reason for the crash, to prevernt it in the future. May be some of the people with more experience are able to help me T

Re: [zfs-discuss] suggested ssd for zil

2010-03-01 Thread Zhu Han
On Mon, Mar 1, 2010 at 1:05 PM, Daniel Carosone wrote: > > Is there anything that is safe to use as a ZIL, faster than the > > Mtron but more appropriate for home than a Stec? > > ACARD ANS-9010, as mentioned several times here recently (also sold as > hyperdrive5) > > +1 for this device. Althoug

[zfs-discuss] ARC **REAL** Size ??

2010-03-01 Thread Abdullah Al-Dahlawi
Greeting All I know this topic have been beaten to death however, something is really confusing on my part !! I set the max_arc size = 512 mb I ran my benchmark workload that loads a file with a specific size into ARC ... if the file size is less than 200MB , it gets loaded entirely in to ARC a