toasters

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13529 discussions

Migrate Solaris FC LUN to Linux iSCSI ?
by Steve Losen 11 Oct '11

11 Oct '11

Hi toasters, Is it possible to take a Solaris FC LUN and attach it to Linux via iSCSI? I suspect problems since the "lun create" command needs to know the OS type (solaris in this case). I don't think FC to iSCSI is a problem, though. Naturally we would love to "just move" the LUNs without creating new Linux LUNs and copying the data from Solaris to Linux. In case you are wondering about the FS on the LUNs, this is disk cache for a StorNext filesystem and we want to replace our very old Solaris hardware with Linux "in place". Otherwise it would take literally months to migrate the data since StorNext is a tape backed hierarchical FS. If we can't do this hardware upgrade in place, then we will soldier on on the old Solaris hardware and cross our fingers. We intend to replace StorNext eventually but want to get off the old Solaris hardware in the interim if possible. Steve Losen scl(a)virginia.edu phone: 434-924-0640 University of Virginia ITC Unix Support

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Snapvault advice
by Unnikrishnan KP 07 Oct '11

07 Oct '11

Hello all, We are planing a snapvault backup of data from a snapmirror destination. Most of the volumes that are to be snapvaulted are luns in qtrees. The rest are nas data. I was looking at different ways to do this and came up with the following conclusion for block data: 1. Run a snapvault update on the _recent copy. Schedule a snapvault snap sched on the secondary after the update. This require a bit of scripting and schedules. 2. The best practises guide recommends using the SnapManager product for sv backups. Since this too require a level of scripting; I am not sure what difference it would make. Also this requires rsh access to the filers which we do not permit. As for the NAS volumes; the snapmirror source will need to be setup with a snavault snap sched schedule (something that happens before a snapmirror transfer). This snapshot will then be snapmirrored to the SM destination. The SV secondary snapvault schedule will have a snapvault -x schedule that happens after the SM transfers complete. The other option would be to follow the same pattern as option 1 used for block data. Just wondering if any of you have faced this issue and what was done in your environment? Any feedback on this will be apprecated. Regards, Unnikrishnan KP

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Cleaning up snapshots while leaving flexclones
by Fletcher Cocquyt 04 Oct '11

04 Oct '11

Hi, We routinely cleanup snapshots via filerview and recently started using flexclones, which show up in the snapshot view as ³busy,vclone Busy² For this volume there are similarly named snapshots listed as ³normal² We¹d like to delete those to reclaim the space, but want confirmation they are not going to affect the mounted vclone(flexclone) volumes. Basically I am asking will filerview prevent me from deleting these snapshots if they are associated with an actively mounted flexclone? ( Thanks -- Fletcher Cocquyt http://vmadmin.info

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Use license on different filer.
by Liniger Pascal 03 Oct '11

03 Oct '11

Hello, Is it possible/allowed to use a license on a filer other that the one to which the license is associated in NOW? Let's say I have a FAS2020 with a snapmirror license and I have no use for the license on this particular system, can I use this license on another FAS2020? Freundliche Grüsse Pascal Liniger Middleware & Storage Operations _____________________ Emmi Schweiz AG Milchstrasse 9 CH-3072 Ostermundigen T +41 58 227 11 43 , F +41 58 227 22 23 pascal.liniger(a)emmi.ch<mailto:pascal.liniger@emmi.ch> http://www.emmi.ch<http://www.emmi.ch/> Ein Unternehmen der Emmi Gruppe

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Linux Mutipath to NetApp LUN via FCP
by Paul Letta 03 Oct '11

03 Oct '11

Hi Everyone. This question is probably more Linux than Netapp, but I figured people on this list have done this. I am setting up DM-Multipath with a lun from a FAS via FCP. I have the NetApp linux host utilities installed on the host. I have a LUN that has 2 paths (one lun, 2 HA FAS controllers). Without Multipath running, I see them as /dev/sdb and /dev/sdc: # fdisk -l Disk /dev/sdb: 322.1 GB, 322163441664 bytes 255 heads, 63 sectors/track, 39167 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 39167 314608896 83 Linux Disk /dev/sdc: 322.1 GB, 322163441664 bytes 255 heads, 63 sectors/track, 39167 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 39167 314608896 83 Linux This is correct. I can mount each of these one at a time from the host and see the LUN correctly. After I start up Multipath, I have the same 2 devices above (sdb and sdc) but TWO new devices: Disk /dev/dm-0: 322.1 GB, 322163441664 bytes 255 heads, 63 sectors/track, 39167 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/dm-0p1 1 39167 314608896 83 Linux Disk /dev/dm-1: 322.1 GB, 322159509504 bytes 255 heads, 63 sectors/track, 39166 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/dm-1 doesn't contain a valid partition table My question is why do I have both /dev/dm-0 AND /dev/dm-1 ? Also -- above shows dm-1 as not having a valid partition table, However, when I try to mount /dev/dm-0 it fails (says its busy), but I can mount /dev/dm-1 and see the LUN just fine. So I'm looking for some basic guidance with multipath. From what I've read, I should just see one /dev/dm-* and I should be able to mount it, and it should have a valid partition table on it. Thanks ! Paul Here is the /etc/multipath.conf file: [root@zstore2 /]# cat /etc/multipath.conf defaults { user_friendly_names no queue_without_daemon no flush_on_last_del yes max_fds max pg_prio_calc avg } blacklist { devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*" devnode "^hd[a-z]" devnode "^cciss.*" wwid 3600508e00000000081661358cff52b01 } devices { device { vendor "NETAPP" product "LUN" path_grouping_policy group_by_prio features "1 queue_if_no_path" prio_callout "/sbin/mpath_prio_ontap /dev/%n" path_checker directio failback immediate hardware_handler "0" rr_weight uniform rr_min_io 128 getuid_callout "/sbin/scsi_id -g -u -s /block/%n" } }

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Oracle and VMware Datastores
by Tommy.Fallsen＠kongsberg.com 01 Oct '11

01 Oct '11

Hi Im setting a new Oracle Database solution to replace a old Oracle RAC on EVA8400. After reading Oracle Databases on VMware vSphere 4 - Essential Deployment Tips i got a few question still needs answered. Our new storage is a FAS 3240 7-Mode We have a SATA and SAS aggregate and 1TB Flash cache available. SAS 1 Raid Group (16 disks) SATA 4 Raid Group (56 disks) Whats the recommendations for Datastores and VMDK's? >From i can gather i need to create a volume dedicated to Oracle and present(NFS) it as Datastore for Oracle only. And create VMDK's like this: VMDK-1 OS from another Datastore Oracle Datastore VMDK-2 Oracle Binaries VMDK-3 Oracle data VMDK-4 Oracle Redo VMDK-5 Oracle Archivelogs I have 5 databases so 5 VM's where i create a volume with Datastore for each? Would like input from the list how others have done it. - Tommy Fallsen SA/DBA Grunt ________________________________ CONFIDENTIALITY This e-mail and any attachment contain KONGSBERG information which may be proprietary, confidential or subject to export regulations, and is only meant for the intended recipient(s). Any disclosure, copying, distribution or use is prohibited, if not otherwise explicitly agreed with KONGSBERG. If received in error, please delete it immediately from your system and notify the sender properly.

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Re: SMO dumping java hprof files
by Dan Finn 30 Sep '11

30 Sep '11

Thanks Jeffrey, Do you know how I could go about getting more info on those bugs? I just checked on the now site and it does seem like we are running the latest version of SMO, 3.1. Thanks, Dan ________________________________ From: "Steiner, Jeffrey" <Jeffrey.Steiner(a)netapp.com> To: Dan Finn <dan_j_finn(a)yahoo.com> Sent: Friday, September 30, 2011 6:27 AM Subject: RE: SMO dumping java hprof files There is a bug or two fixed in one of the SMO P releases that can lead to java crashes during operations, and the result is this big hprof files left behind. You definitely should investigate. That only happens when a java process crashes. From:Dan Finn [mailto:dan_j_finn@yahoo.com] Sent: Thursday, September 29, 2011 7:09 PM To: toasters(a)teaparty.net Subject: SMO dumping java hprof files Hello, We recently noticed that our / partition on one of our oracle RAC servers was filling up. While investigating I noticed that snap manager for oracle seems to be dumping files under /opt/Netapp/smo named java_pidXXXX.hprof. These files are all around 90 meg. It appears that this has something to do with java being run with the "-XX:+HeapDumpOnOutOfMemoryError". I'm very new to this environment but from what I'm being told, there is no issues with SMO, it's functioning correctly and as it always has. I am a little concerned though that these dumps are being generated due to an out of memory error. Someone did mention that they thought during the initial setup they may have turned on debug logging but they aren't positive and they don't remember how it was turned it on. Has anyone else ever run into this? We are running: SMO 3.1 SnapDrive 4.2 Oracle 11g RHEL 5.4 Using both NFS and FCP ASM is mounting the FCP luns Thanks, Dan

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SMO dumping java hprof files
by Dan Finn 29 Sep '11

29 Sep '11

Hello, We recently noticed that our / partition on one of our oracle RAC servers was filling up. While investigating I noticed that snap manager for oracle seems to be dumping files under /opt/Netapp/smo named java_pidXXXX.hprof. These files are all around 90 meg. It appears that this has something to do with java being run with the "-XX:+HeapDumpOnOutOfMemoryError". I'm very new to this environment but from what I'm being told, there is no issues with SMO, it's functioning correctly and as it always has. I am a little concerned though that these dumps are being generated due to an out of memory error. Someone did mention that they thought during the initial setup they may have turned on debug logging but they aren't positive and they don't remember how it was turned it on. Has anyone else ever run into this? We are running: SMO 3.1 SnapDrive 4.2 Oracle 11g RHEL 5.4 Using both NFS and FCP ASM is mounting the FCP luns Thanks, Dan

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Changing snapmirror destination to a new filer
by Davies, Matt 29 Sep '11

29 Sep '11

Hi, We currently 3 filers, and are looking to move a snap mirrored volume to another filer, we would like to do this without having to recreate a new snapmirror and all the traffic associated with with it. The example is: Filer1 has Vol1 witch is snap mirrored to drfiler1 Vol1 We would like to copy/move Vol1 on drfiler1 to drfiler2, and continue with it being a snap mirror of Vol1 on Filer1, without having to reinitialise the snap mirror Drfiler1 and Drfiler2 are both on the same site so we have no bandwidth restrictions. Is this possible and could someone point me in the right direction of how to do it. Thanks Matt ____________________________ Matt Davies Director of International IT Operations General Atlantic 23 Savile Row London W1S 2ET Tel: +44 207 484 3203 Fax: +44 207 484 2803 Mobile: +44 777 559 4265 ____________________________ ________________________________ _____________________________________________________________ This e-mail (including all attachments) is confidential and may be privileged. It is for the exclusive use of the addressee only. If you are not the addressee, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please erase all copies of the message and its attachments and notify us immediately at help(a)generalatlantic.com . Thank You.

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EMC Networker, NetApp CIFS shares
by Andrew Laurence 28 Sep '11

28 Sep '11

Hi all, We're starting to provide CIFS service out of a FAS2040, and we want to establish conventional backups with our existing EMC Networker setup, or our other NetBackup setup. If we use NDMP, is the folder/permissions data in the CIFS volume sucked across, with valid integrity, in the NDMP backups? Our Networker servers are based on Linux. Can Networker attach to the CIFS share directly, and haul across the backups? (Maintaining share/security data per above.) Otherwise, does the Networker/Windows client back up mount points? We could mount the CIFS shares inside a Windows VM, and run the Networker client there, right? Thanks for the help! -Andrew -- Andrew Laurence atlauren(a)uci.edu

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toasters