Re: [zfs-discuss] SVM > ZFS

2013-02-27 Thread Darren J Moffat
can use shadowstat(1M) to show progress. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Bp rewrite

2013-02-15 Thread Darren J Moffat
FS Storage Appliance. BP rewrite is actually very complex to do correctly and safely - it it wasn't I'm sure it would have been done by now by multiple people! -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://

Re: [zfs-discuss] Freeing unused space in thin provisioned zvols

2013-02-12 Thread Darren J Moffat
On 02/12/13 15:07, Thomas Nau wrote: Darren On 02/12/2013 11:25 AM, Darren J Moffat wrote: On 02/10/13 12:01, Koopmann, Jan-Peter wrote: Why should it? Unless you do a shrink on the vmdk and use a zfs variant with scsi unmap support (I believe currently only Nexenta but correct me if I

Re: [zfs-discuss] Freeing unused space in thin provisioned zvols

2013-02-12 Thread Darren J Moffat
support. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-24 Thread Darren J Moffat
On 01/24/13 00:04, Matthew Ahrens wrote: On Tue, Jan 22, 2013 at 5:29 AM, Darren J Moffat mailto:darr...@opensolaris.org>> wrote: Preallocated ZVOLs - for swap/dump. Darren, good to hear about the cool stuff in S11. Just to clarify, is this preallocated ZVOL different th

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Darren J Moffat
as long as the underlying LUNs have support for SCSI UNMAP Looks like an interesting technical solution to a political problem :D There is also a technical problem too: because if you can't inform the backing store that you no longer need the blocks it can't free them either so they get st

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Darren J Moffat
On 01/22/13 15:32, Edward Ned Harvey (opensolarisisdeadlongliveopensolaris) wrote: From: Darren J Moffat [mailto:darr...@opensolaris.org] Support for SCSI UNMAP - both issuing it and honoring it when it is the backing store of an iSCSI target. When I search for scsi unmap, I come up with

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Darren J Moffat
On 01/22/13 13:29, Darren J Moffat wrote: Since I'm replying here are a few others that have been introduced in Solaris 11 or 11.1. and another one I can't believe I missed since I was one of the people that helped design it and I did codereview... Per file sensitively lab

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Darren J Moffat
is an (optional) shadowd that pushes the migration along, but it will complete on its own anyway. shadowstat(1M) gives information on the status of the migrations. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Darren J Moffat
of an iSCSI target. It also has a lot of performance improvements and general bug fixes in the Solaris 11.1 release. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/li

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Darren J Moffat
On 01/22/13 11:57, Tomas Forsman wrote: On 22 January, 2013 - Darren J Moffat sent me these 0,6K bytes: On 01/21/13 17:03, Sa?o Kiselkov wrote: Again, what significant features did they add besides encryption? I'm not saying they didn't, I'm just not aware of that man

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Darren J Moffat
issuing it and honoring it when it is the backing store of an iSCSI target. It also has a lot of performance improvements and general bug fixes in the Solaris 11.1 release. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opens

Re: [zfs-discuss] dm-crypt + ZFS on Linux

2012-11-30 Thread Darren J Moffat
On 11/30/12 11:41, Darren J Moffat wrote: On 11/23/12 15:49, John Baxter wrote: After searching for dm-crypt and ZFS on Linux and finding too little information, I shall ask here. Please keep in mind this in the context of running this in a production environment. We have the need to

Re: [zfs-discuss] dm-crypt + ZFS on Linux

2012-11-30 Thread Darren J Moffat
features of ZFS are lost if we use dm-crypt? My guess would be they are related to raidz but unsure. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Appliance as a general-purpose server question

2012-11-22 Thread Darren J Moffat
o run VirtualBoxes in the ZFS-SA OS, dare I ask? ;) No. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send to older version

2012-10-24 Thread Darren J Moffat
On 10/24/12 17:44, Carson Gaspar wrote: On 10/24/12 3:59 AM, Darren J Moffat wrote: So in this case you should have a) created the pool with a version that matches the pool version of the backup server and b) make sure you create the ZFS file systems with a version that is supposed by the

Re: [zfs-discuss] zfs send to older version

2012-10-24 Thread Darren J Moffat
s and versions using the highest version supported by the running software. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] openindiana-1 filesystem, time-slider, and snapshots

2012-10-16 Thread Darren J Moffat
have sworn, out-of-the-box, there was no openindiana-1.Am I simply wrong? Initially there wouldn't have been. Are you doing the zfs send on your own or letting time-slider do it for you ? -- Darren J Moffat ___ zfs-discuss mailing list zfs-dis

Re: [zfs-discuss] ZFS ok for single disk dev box?

2012-08-30 Thread Darren J Moffat
wever much much more importantly ZFS does not preclude the need for off system backups. Even with mirroring, and snaphots you still have to have a backup of important data elsewhere. No file system and more importantly no hardware is that good. --

Re: [zfs-discuss] New fast hash algorithm - is it needed?

2012-07-11 Thread Darren J Moffat
icial NIST name of that hash. With the internal enum being: ZIO_CHECKSUM_SHA512_256 CR 7020616 already exists for adding this in Oracle Solaris. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/ma

Re: [zfs-discuss] Benefits of enabling compression in ZFS for the zones

2012-07-10 Thread Darren J Moffat
ums the uncompressed data. No ZFS checksums are over the data as it is stored on disk so the compressed data. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] current status of SAM-QFS?

2012-05-03 Thread Darren J Moffat
here is an effort to integrate open-sourced SAM-QFS into illumos or smartos/oi/illumian. Okay, then it would have been clearer if you had asked that question but you asked about SAM-QFS on a zfs discuss alias. -- Darren J Moffat ___ zfs-discuss mailin

Re: [zfs-discuss] current status of SAM-QFS?

2012-05-02 Thread Darren J Moffat
ct of data-tying. If you want to know Oracle's roadmap for SAM-QFS then I recommend contacting your Oracle account rep rather than asking on a ZFS discussion list. You won't get SAM-QFS or Oracle roadmap answers from this alias. -- Darren J Moffat ___

Re: [zfs-discuss] current status of SAM-QFS?

2012-05-01 Thread Darren J Moffat
On 04/30/12 04:00, Fred Liu wrote: The subject says it all. Still a fully supported product from Oracle: http://www.oracle.com/us/products/servers-storage/storage/storage-software/qfs-software/overview/index.html -- Darren J Moffat ___ zfs-discuss

Re: [zfs-discuss] Aaron Toponce: Install ZFS on Debian GNU/Linux

2012-04-19 Thread Darren J Moffat
another (readonly) implementation of ZFS encryption: http://bazaar.launchpad.net/~vcs-imports/grub/grub2-bzr/view/head:/grub-core/fs/zfs/zfscrypt.c -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

Re: [zfs-discuss] Solaris 11/ZFS historical reporting

2012-04-17 Thread Darren J Moffat
. For IO depends what level you want to look at, if it is the device level iostat, if it is how ZFS is using the devices look at 'zpool iostat'. If it is the filesystem level look at fsstat. Also look acctadm(1M). -- Darren J Moffat ___ z

Re: [zfs-discuss] Cannot mount encrypted filesystems.

2012-02-22 Thread Darren J Moffat
ource=...' Using a hacked up libzfs that removes the check that 'zfs inherit' does so I can get out of the situation and make the datasets accessible again. So this is fixable so don't abandon hope yet. -- Darren J Moffat ___

Re: [zfs-discuss] zfs-discuss Digest, Vol 76, Issue 20

2012-02-22 Thread Darren J Moffat
d. To unload the key, see zfs key. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] encryption

2012-02-21 Thread Darren J Moffat
On 02/21/12 13:27, Edward Ned Harvey wrote: From: Darren J Moffat [mailto:darr...@opensolaris.org] Sent: Monday, February 20, 2012 12:46 PM GRUB2 has support for encrypted ZFS file systems already. I assume this requires a pre-boot password, right? Then I have two questions... The ZFS

Re: [zfs-discuss] Cannot mount encrypted filesystems.

2012-02-21 Thread Darren J Moffat
every leaf dataset - you didn't need to do that it would have been inherited. What this means is that even though you have the same passphrase for each dataset the actual data encryption key is different because the passphrase value plus the h

Re: [zfs-discuss] Cannot mount encrypted filesystems.

2012-02-20 Thread Darren J Moffat
ilesystems you call 'base' and the fsys ones. What is important here is understanding where the encryption and keysource properties are set and where they are inherited. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolar

Re: [zfs-discuss] encryption

2012-02-20 Thread Darren J Moffat
ncrypted ZFS file systems already. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] RFE: add an option/attribute to import ZFS pool without automounting/sharing ZFS datasets

2012-01-11 Thread Darren J Moffat
Import the pool without mounting any file systems. If it isn't mounted it can't be shared. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZIL on a dedicated HDD slice (1-2 disk systems)

2012-01-09 Thread Darren J Moffat
main pool devices) go for a given dataset are determined by a combination of things including (but not limited to) the presence of a SLOG device, the logbias property and the size of the data. -- Darren J Moffat ___ zfs-discuss mailing list zfs-di

Re: [zfs-discuss] S11 vs illumos zfs compatiblity

2012-01-03 Thread Darren J Moffat
import and read datasets in a deduped pool just fine. You can't enable dedup on a dataset and any writes won't dedup they will "rehydrate". So it is more like partial dedup support rather than it not being there at all. -- Darren J Moffat ___

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-19 Thread Darren J Moffat
s not familiar with how FreeBSD is installed and boots can you explain how boot works (ie do you use GRUB at all and if so which version and where the early boot ZFS code is). -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] Improving L1ARC cache efficiency with dedup

2011-12-08 Thread Darren J Moffat
ams cannot be received on systems that do not support the stream deduplication feature. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS on Dell with FreeBSD

2011-10-19 Thread Darren J Moffat
ALWAYS let ZFS manage the redundancy otherwise it can't self-heal. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] about btrfs and zfs

2011-10-18 Thread Darren J Moffat
On 10/18/11 14:04, Jim Klimov wrote: 2011-10-18 16:26, Darren J Moffat пишет: On 10/18/11 13:18, Edward Ned Harvey wrote: * btrfs is able to balance. (after adding new blank devices, rebalance, so the data& workload are distributed across all the devices.) zfs is not able to do this yet.

Re: [zfs-discuss] about btrfs and zfs

2011-10-18 Thread Darren J Moffat
te/usr/src/uts/common/fs/zfs/metaslab.c See lines 1356-1378 -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Thumper (X4500), and CF SSD for L2ARC = ?

2011-10-14 Thread Darren J Moffat
to CF adaptors at the time too. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] commercial zfs-based storage replication software?

2011-10-13 Thread Darren J Moffat
On 10/13/11 09:27, Fajar A. Nugraha wrote: On Tue, Oct 11, 2011 at 5:26 PM, Darren J Moffat wrote: Have you looked at the time-slider functionality that is already in Solaris ? Hi Darren. Is it available for Solaris 10? I just installed Solaris 10 u10 and couldn't find it. No it i

Re: [zfs-discuss] Any info about "System attributes"

2011-10-11 Thread Darren J Moffat
the clear. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] commercial zfs-based storage replication software?

2011-10-11 Thread Darren J Moffat
ut that is set one-time in the SMF service properties. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

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

2011-09-20 Thread Darren J Moffat
. Can anybody confirm?. Of course if we didn't do that we would be leaking user data. 2. What happens with L2ARC?. Since ARC is not encrypted (in RAM), is it encrypted when evicted to L2ARC?. Use of the L2ARC is disabled for data from encrypted datasets at this time. -- Darren J M

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

2011-08-30 Thread Darren J Moffat
. Note the following is an implementation detail subject to change: It is NOT checksumed on disk only in memory, but the L2ARC data on disk is not used after reboot anyway just now. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] RBAC and zfs

2011-08-26 Thread Darren J Moffat
ing a role name of 'myrole' and a ZFS pool called 'tank' it would be something like this: # roleadd -R myrole # passwd myrole ... # useradd -R myrole cephas # zfs allow -u myrole send,receive,snapshot,mount tank -- Darren J Moffat __

Re: [zfs-discuss] Disable ZIL - persistent

2011-08-05 Thread Darren J Moffat
On 08/05/11 15:09, Richard Elling wrote: On Aug 5, 2011, at 6:14 AM, Darren J Moffat wrote: On 08/05/11 13:11, Edward Ned Harvey wrote: After a certain rev, I know you can set the "sync" property, and it takes effect immediately, and it's persistent across reboots. But that d

Re: [zfs-discuss] Disable ZIL - persistent

2011-08-05 Thread Darren J Moffat
startup script which applies it to filesystems other than rpool. Which feels kludgy. Is there a better way? echo "set zfs:zil_disable = 1" > /etc/system -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send/receive and ashift

2011-07-27 Thread Darren J Moffat
traffic encryption. Indeed, plus you don't necessarily want to always have your backups encrypted by the same keys as the live data (ie the policy for key management and retention could be different on purpose). -- Darren J Moffat ___ zfs-di

Re: [zfs-discuss] zfs send/receive and ashift

2011-07-27 Thread Darren J Moffat
node(Solaris) needs extra software, is it correct? I believe so, also it is more than just the T1C drive you need it needs to be in a library and you also need the Oracle Key Management system to be able to do the key management for it. -- Darren J Moffat

Re: [zfs-discuss] SSD vs "hybrid" drive - any advice?

2011-07-27 Thread Darren J Moffat
never does update-in-place and UFS only does update-in-place for Note quite never, there are some very special cases where blocks are allocated ahead of time and could be written to "in place" more than once. In particular the special type of ZVOLs used for dump

Re: [zfs-discuss] zfs send/receive and ashift

2011-07-26 Thread Darren J Moffat
d what transport layer is. But basically it is not provided by ZFS itself it is up to the person building the system to secure the transport layer used for ZFS send. It could also be write directly to a T10k encrypting tape drive. -- Darren J Moffat ___

Re: [zfs-discuss] zfs send/receive and ashift

2011-07-26 Thread Darren J Moffat
only way. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send/receive and ashift

2011-07-26 Thread Darren J Moffat
vdev layer concept - ie below the DMU layer. There is nothing in the send stream format that knows what an ashift actually is. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinf

Re: [zfs-discuss] Zil on multiple usb keys

2011-07-25 Thread Darren J Moffat
did actually make it slower. I removed the separate log device from both of those pools (by manual hacking with specially build zfs kernel modules because slog removal didn't exist back then.). -- Darren J Moffat ___ zfs-discuss mailin

Re: [zfs-discuss] Is oi_151 zpool version on par with sol11ex?

2011-07-19 Thread Darren J Moffat
ew/Community+Group+zfs/31 -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] latest zpool version in solaris 11 express

2011-07-18 Thread Darren J Moffat
e I'm not commenting about any specific issue here but about the way your conclusion was written it doesn't follow that because the pool and version number are the same that no zfs/zpool/dedup code was changed. -- Darren J Moffat ___ zfs-di

Re: [zfs-discuss] question about COW and snapshots

2011-06-15 Thread Darren J Moffat
a "write" is whey you save the document but at the ZPL layer that is multiple write(2) calls and maybe even some rename(2)/unlink(2)/close(2) calls as well. If you move further down then doing a snapshot on every dmu_write() call is fundame

Re: [zfs-discuss] ZFS receive checksum mismatch

2011-06-10 Thread Darren J Moffat
of people do, and it's good. Not recommended by who ? Which documentation says this ? As I pointed out last time this came up the NDMP service on Solaris 11 Express and on the Oracle ZFS Storage Appliance uses the 'zfs send' stream as what is to be stored on

Re: [zfs-discuss] SE11 express Encryption on - > errors in the pool after Scrub

2011-06-06 Thread Darren J Moffat
systems support contract with Oracle you should be able to log a support ticket and request a backport of the fix for CR 6989185. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo

Re: [zfs-discuss] ndmp?

2011-05-24 Thread Darren J Moffat
://download.oracle.com/docs/cd/E19963-01/html/821-1462/ndmpd-1m.html http://download.oracle.com/docs/cd/E19963-01/html/821-1462/ndmpstat-1m.html What you mean by supporting it ? I believe (though I haven't tested it) it works with Oracle Secure Backup as well as NetBackup and Networker. -- Darren J M

Re: [zfs-discuss] ls reports incorrect file size

2011-05-02 Thread Darren J Moffat
l. Sparse files are a filesystem level concept that is understood my many filesystems including CIFS and ZFS and many others. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] X4540 no next-gen product?

2011-04-08 Thread Darren J Moffat
access would just be a totally useless brick). As an engineer I'm curious have you actually tried a suitably sized S7000 or are you assuming it won't perform suitably for you ? -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opens

Re: [zfs-discuss] X4540 no next-gen product?

2011-04-08 Thread Darren J Moffat
) *are* storage appliances. They may be storage appliances, but the user can not put their own software on them. This limits the appliance to only the features that Oracle decides to put on it. Isn't that the very definition of an Appliance ? -- Darren J Moffat ___

Re: [zfs-discuss] disable zfs/zpool destroy for root user

2011-02-18 Thread Darren J Moffat
user in a zone to do zfs operations on delegated datasets ? Doing this for the global zone is a little harder but for a local zone it can be done by extending the 'zfs allow' mechanism. See: http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=7011365 -- Darren J Moffat _

Re: [zfs-discuss] vscand + quarantine

2011-02-09 Thread Darren J Moffat
shell script is find/ls/grep. You could write a C program that uses the same method that ls does to get the attributes but you will still have to visit every file in the file system. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolari

Re: [zfs-discuss] vscand + quarantine

2011-02-09 Thread Darren J Moffat
ke if 'foo' was quarantined. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Best choice - file system for system

2011-01-28 Thread Darren J Moffat
up and incremental restore is supported. This has been tested and is known to work with at least the following backup applications: • Oracle Secure Backup 10.3.0.2 and above • Enterprise Backup Software (EBS) / Legato Networker 7.5 and above • Symantec NetBackup 6.5.3 and above -- Darren J Moff

Re: [zfs-discuss] (Fletcher+Verification) versus (Sha256+No Verification)

2011-01-07 Thread Darren J Moffat
On 07/01/2011 11:56, Sašo Kiselkov wrote: On 01/07/2011 10:26 AM, Darren J Moffat wrote: On 06/01/2011 23:07, David Magda wrote: On Jan 6, 2011, at 15:57, Nicolas Williams wrote: Fletcher is faster than SHA-256, so I think that must be what you're asking about: "can Fletcher+Verif

Re: [zfs-discuss] (Fletcher+Verification) versus (Sha256+No Verification)

2011-01-07 Thread Darren J Moffat
o be quite complicated to fix due to very early boot issues. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] A few questions

2011-01-06 Thread Darren J Moffat
und the company that aren't Sun hardware as well as servers. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] stupid ZFS question - floating point operations

2010-12-23 Thread Darren J Moffat
On 23/12/2010 17:09, joerg.schill...@fokus.fraunhofer.de wrote: Darren J Moffat wrote: On 22/12/2010 20:27, Garrett D'Amore wrote: That said, some operations -- and cryptographic ones in particular -- may use floating point registers and operations because for some architectures (sun4u

Re: [zfs-discuss] stupid ZFS question - floating point operations

2010-12-23 Thread Darren J Moffat
entry/zfs_encryption_what_is_on where I explain all the type of keys used and how they are generated as well as how passphrases are turned into AES wrapping keys (using PKCS#5 PBE). -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] stupid ZFS question - floating point operations

2010-12-23 Thread Darren J Moffat
nd SHA256. So those optimistations for floating point don't come into play for ZFS encryption. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] relationship between ARC and page cache

2010-12-21 Thread Darren J Moffat
art of the problem. Another alternative to try would be setting primarycache=metadata on the ZFS dataset that contains the mmap files. That way you are only turning of the ZFS ARC cache of the file content for that one dataset rather than clamping the ARC. -- Darre

Re: [zfs-discuss] a single nfs file system shared out twice with different permissions

2010-12-21 Thread Darren J Moffat
case. $ ppriv -e -s EPIL=basic,!file_write myapp If it is being started by an SMF service you can remove file_write in the method_credential section - see smf_method(5). -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] a single nfs file system shared out twice with different permissions

2010-12-20 Thread Darren J Moffat
ions start with these resources: Oracle Solaris 11 Express Trusted Extensions Collection http://docs.sun.com/app/docs/coll/2580.1?l=en OpenSolaris Security Community pages on TX: http://hub.opensolaris.org/bin/view/Community+Group+security/tx -

Re: [zfs-discuss] ZFS ... open source moving forward?

2010-12-13 Thread Darren J Moffat
he structs necessary for the on disk format are in the CTF data of the binaries. http://blogs.sun.com/darren/entry/zfs_encryption_what_is_on -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailma

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-12-02 Thread Darren J Moffat
thread was cross posted to zfs-crypto-discuss). -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS snapshot limit?

2010-12-01 Thread Darren J Moffat
On 01/12/2010 13:36, f...@ll wrote: I must send zfs snaphost from one server to another. Snapshot have size 130GB. Now I have question, the zfs have any limit of sending file? No. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] zfs on a removable device

2010-11-26 Thread Darren J Moffat
;t have to plug it back into to the original system you could have just forced the import. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-23 Thread Darren J Moffat
rsync, but obviously you lose your snapshot history that way. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-19 Thread Darren J Moffat
of the cryptography design were also discussed on other archived public forums as well as zfs-crypto-discuss. The design was also presented at IEEE 1619 SISWG and at SNIA. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-19 Thread Darren J Moffat
On 19/11/2010 00:39, David Magda wrote: On Nov 16, 2010, at 05:09, Darren J Moffat wrote: Both CCM[1] and GCM[2] are provided so that if one turns out to have flaws hopefully the other will still be available for use safely even though they are roughly similar styles of modes. On systems

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-18 Thread Darren J Moffat
sun.com/darren/entry/compress_encrypt_checksum_deduplicate_with For changing the encryption key see the discussion of 'zfs key -K' in the zfs(1M) man page: http://docs.sun.com/app/docs/doc/821-1462/zfs-1m?l=en&a=view -- Darren J Moffat ___ zf

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-18 Thread Darren J Moffat
On 17/11/2010 20:04, Miles Nordin wrote: "djm" == Darren J Moffat writes: djm> http://blogs.sun.com/darren/entry/introducing_zfs_crypto_in_oracle djm> http://blogs.sun.com/darren/entry/assued_delete_with_zfs_dataset djm> http://blogs.s

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-17 Thread Darren J Moffat
oy Oracle Solaris 11 Express into a production environment. [1] http://www.oracle.com/technetwork/server-storage/solaris11/overview/faqs-oraclesolaris11express-185609.pdf -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-17 Thread Darren J Moffat
rtant and sometimes choosing more than one is the correct thing to do. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-17 Thread Darren J Moffat
solution for where to do encryption just like there is on one correct way to write files onto persistent media. Choice is important and sometimes choosing more than one is the correct thing to do. -- Darren J Moffat ___ zfs-discuss maili

Re: [zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-16 Thread Darren J Moffat
On 11/15/10 19:36, David Magda wrote: On Mon, November 15, 2010 14:14, Darren J Moffat wrote: Today Oracle Solaris 11 Express was released and is available for download[1], this release includes on disk encryption support for ZFS. Using ZFS encryption support can be as easy as this

[zfs-discuss] ZFS Crypto in Oracle Solaris 11 Express

2010-11-15 Thread Darren J Moffat
/solaris11/downloads/index.html -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] how to quiesce and unquiesc zfs and zpool for array/hardware snapshots ?

2010-11-12 Thread Darren J Moffat
ecause I'm not going to disclose it here in case it is miss used. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zpool split how it works?

2010-11-10 Thread Darren J Moffat
zfs/zfs_ioctl.c#zfs_ioc_vdev_split -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Does a zvol use the zil?

2010-10-21 Thread Darren J Moffat
oes, that basically results in DKIOCGETWCE ioctl being called on the ZVOL (though you won't see that in truss because it is called from the comstar kernel modules not directly from stmfadm in userland). -- Darren J Moffat ___ zfs-discuss

Re: [zfs-discuss] Does a zvol use the zil?

2010-10-21 Thread Darren J Moffat
Yes, ZVOLs do use the ZIL. If the write cache has been disabled on the zvol by the DKIOCSETWCE ioctl or the sync property is set to always. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

Re: [zfs-discuss] Myth? 21 disk raidz3: "Don't put more than ___ disks in a vdev"

2010-10-20 Thread Darren J Moffat
O 1.31T ------ -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Finding corrupted files

2010-10-20 Thread Darren J Moffat
ll disks nor does it require you not to use hardware raid. Some of all of which are impossible if you are using SAN or other remote block storage devices in many cases - and certainly the case if the SAN is provided by a Sun ZFS Storage appliance. -- Darren J Moffat ___

Re: [zfs-discuss] vdev failure -> pool loss ?

2010-10-18 Thread Darren J Moffat
adding a third raidz2 vdev? There is no support in ZFS for nested vdevs like this. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] vdev failure -> pool loss ?

2010-10-18 Thread Darren J Moffat
Can you layer vdevs hierarchically? Last time I looked, you couldn't do that. You mean like a mirror of raidz or a raidz or mirrors ? No the admin interface doesn't allow you to do that. -- Darren J Moffat ___ zfs-discuss mailing list zfs-dis

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