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Xsan volume UUID

November 18, 2014, 10:46 am
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Forums: 
General Xsan Talk

I use volume name and UUID attributes to positively identify volumes on OS X. For the average HFS+ volume, I can count on the UUID being unique and consistent across the lifetime of that volume. Some of my customers have reported that ACFS volumes, however, get new UUIDs each time the Xsan volume is mounted, e.g.:

diskutil info /Volumes/XSAN | grep "Volume UUID"
Volume UUID: BA3B4176-FE67-3212-AF40-E4C1E710B28C

[Use Xsan tools to unmount and remount the volume, and/or restart the MDC and/or restart the clients -- frankly I don't know which of these actions produces the result]

diskutil info /Volumes/XSAN | grep "Volume UUID"
Volume UUID: 33413E33-7F77-4FC4-BA30-E4B4ABE0FE16

Is this expected behavior, or a configuration problem for these particular Xsan users? I can cope with not being able to rely on the UUID, but I don't want to discard that info without verifying that Xsan volume UUIDs are actually expected to change.

Thanks,
Mike

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FS: Active Storage ActiveSAN MDCs w StorNext (pair)

November 20, 2014, 3:05 pm
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XSAN: No visible Luns

November 28, 2014, 2:32 am
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Forums: 
Troubleshooting

Hello I have XSAN with 4 MacPro's. Two of them are MDC and two clients. Suddenly the volumes disappeared from one of the clients. I checked on one of the mdc and the volumes were visible but in Xsan admin there was a message No visible luns. I turned off all computers and turned on just one of the mdc. Immediately i get a message that the system see some volumes that are not readable and offer me to initiliaze them. Xsan admin no does not see any luns and no volumes are mounted. The LUN are visible in disk utility.

Can you help? What is going on? Can I get my volumes back?

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Yosemite XSAN

December 1, 2014, 10:28 pm
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Forums: 
Troubleshooting

Hi All,

I'm a storage admin and xsan is brand new to me. I'm currently trying to setup an xsan so that our video editors using final cut to store and share data. What are your thoughts of running XSAN on yosemite? also could someone point me to a set up documentation? found tons of admin docs for previous versions of xsan, but nothing for yosemite.

thank you!

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pointeur laser

December 3, 2014, 11:27 pm
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Forums: 
Networking
Tags: 
laser pointeur

over-the-counter pointeurs laser sont que la pointe de la lance photonique. Pour 400 $ et d'une connexion Internet, vous pourriez être l'heureux propriétaire d'un milliwatt 1250, classe 4 Arctic Laser »assez fort pour percer des trous, des ballons de la pop, et déclencher des incendies à travers la pièce.» (FYI: Ces lasers ne doivent pas être exploités sans lunettes de sécurité et un respect salutaire pour brûlures de la rétine. aussi, méfiez-vous de la scène rave Moscou.) puissantlaser.com

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XSAN and 4K video editing

November 11, 2014, 4:25 pm
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Forums: 
Hardware

I currently have an Apple Xsan 3 deployment using Mavericks Mac Mini MDC Atto Thunderlink to FC,  Promise 610f RAID with a JBOD and a Qlogic 5602FC 4GB switch.

I was originally looking to simply upgrade my storage as our editors are working in ProRes422 in Final Cut ProX without any issues. As our Promise RAIDs were going out of warrantly, I felt comfortable replacing the RAID and building a new volume on new RAID hardware. But then... I was told in the middle of 2015 we will need to be able to edit 4K.  I did some Googling and see there is a wide variety of 4K formats. I am currently trying to nail down the format they will be using. I am also trying to nail down how many streams, I will need to feed to our edit stations. 

Has anyone worked with 4K on an Apple Xsan? I am a bit confused on the requirements... from what I have read 4Gb FC is not going to cut it... 8Gb FC can handle some, but may have issues with some formats... 16Gb FC looks capable but the RAIDs I have been looking at use 8Gb FC.

Any input would be appreciated. I am in the Washington, Baltimore area.

Thanks,
Ray

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Updating Xserve 3,1 (early 2009) MDC's from 10.6.8 to 10.8.5

December 9, 2014, 12:55 pm
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Forums: 
Software
Tags: 
upgrade mountain lion
xserve

Hello folks,

I have XSAN with 4 server clients (2 MDC's, 1 Presstore, 1 soon to be retired FCS) and 7 workstations. I need to upgrade the Xserve 3,1 MDC's from 10.6.8 to 10.8 to accommodate a stornext FX client running redhat/centOS6 for our new mam. 10.6.8 stability has been bliss. Can anyone who has done the upgrade comment on Filesystem stability, caveats, experience... Any info or advice on the upgrade would be helpful.

thanks

Edu

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adding client machine into xsan 3.1

December 9, 2014, 5:08 pm
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Forums: 
Troubleshooting

Hi All,

I can't seem to add client machines to Xsan server. at the add computer menu, I would click add remote computer, then enter in ip address and click ok. Got past authentication menu, to the choose roles. Not placing a check mark, since I don't want that workstation to be MDC, hit continue and this is the pop up error I'm receiving.

XSAN is on 10.244.128.xxx network, and client is on 10.244.40.xxx. Both on subnet of 255.255.252.0

another strange thing is when I hard set manual IP address on the client machine, it would drop off the network. Only way to bring it online is using DHCP and Xsan is complaining that client needs to be on Static.

Any help would be appreciated!

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That is All That Matters

December 17, 2014, 6:16 pm
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Volume start then stop.

December 24, 2014, 4:33 am
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Forums: 
Troubleshooting

Hi

My Xsan Volume start and stop immediately.

I try to run cvfsck but there are some error in process.

and i got these.

Created directory /tmp/cvfsck29584a for temporary files.

Attempting to acquire arbitration block... successful.

elapsed time: 4.35 seconds total (delta 4.30 seconds)
Creating MetadataAndJournal allocation check file.
Creating Video allocation check file.

Recovering Journal Log.

elapsed time: 7.34 seconds total (delta 2.99 seconds)
Beginning scan of HDNews file system

Super Block information.
FS Created On : Fri Oct 17 23:12:51 2014
Inode Version : '2.7' - 4.0 big inodes + NamedStreams (0x207)
File System Status : Clean
Allocated Inodes : 1526272
Free Inodes : 16732
FL Blocks : 77
Next Inode Chunk : 0x14a80
Metadump Seqno : 0
Restore Journal Seqno : 0
Windows Security Indx Inode : 0x5
Windows Security Data Inode : 0x6
Quota Database Inode : 0x7
ID Database Inode : 0xa
Client Write Opens Inode : 0x8

Stripe Group MetadataAndJournal ( 0) 0x3a26390 blocks.
Stripe Group Video ( 1) 0x6cf689c0 blocks.

elapsed time: 7.34 seconds total (delta 0.00 seconds)

Inode block size is 1024

Building Inode Index Database 964096 ( 63%).

  • Error*: buildinodes: Corrupted IEL block/0xd2ac Index 128: Repairing.

Building Inode Index Database 992768 ( 65%).

  • Error*: buildinodes: Corrupted IEL block/0xd6c0 Index 192: Repairing.

Building Inode Index Database 1008128 ( 66%).

  • Error*: buildinodes: Corrupted IEL block/0xd8eb Index 192: Repairing.

Building Inode Index Database 1018368 ( 66%).

  • Error*: buildinodes: Corrupted IEL block/0xda2b Index 128: Repairing.

Building Inode Index Database 1018880 ( 66%).

  • Error*: buildinodes: Corrupted IEL block/0xda40 Index 128: Repairing.

Building Inode Index Database 1020416 ( 66%).

  • Error*: buildinodes: Corrupted IEL block/0xda86 Index 1: Repairing.

Building Inode Index Database 1020928 ( 66%).
IEL extent (base-0x5 end-0xc, sg-0) block 0x5doubly allocated!

  • Fatal*: Inode Extent chain is corrupted and cannot be resolved. This file system requires human intervention to repair.

Please contact Apple support staff immediately.

  • Fatal*: Cannot build inode tracking tree - Invalid argument.
  • Critical*: File System Check finished - with errors.

cvfsck total elapsed time: 26.93 seconds total (delta 19.59 seconds)

Please Help.How can I solve it?

Thanks.

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The key to songwriting

December 25, 2014, 1:38 pm
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It is true

December 25, 2014, 1:42 pm
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Forums: 
Resharing

It's true when they say songwriting is 10% inspiration and 90% perspiration. In truth, what happens is... songs comes through you. - Paramount Song

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Music

December 26, 2014, 5:10 pm
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What we think

December 26, 2014, 5:13 pm
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Forums: 
General Xsan Talk

I think music in itself is healing. It's an explosive expression of humanity. It's something we are all touched by. No matter what culture we're from, everyone loves music. - Paramount Song

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Do not Worry

December 27, 2014, 7:28 am
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Music

December 27, 2014, 7:29 am
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OS X Lion: Supported digital camera RAW formats (Apple KB)

November 13, 2014, 1:07 pm
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Digital camera RAW formats retain more image information than JPEGs and can produce better results when used with imaging applications such as Aperture and iPhoto.

Read more: http://support.apple.com/kb/HT4757

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iMac: How to remove or install memory (Apple KB)

November 14, 2014, 2:18 pm
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iMac: How to remove or install memory (Apple KB)

November 14, 2014, 2:18 pm
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Xsan volume UUID

November 18, 2014, 10:46 am
$
0
0
Forums: 
General Xsan Talk

I use volume name and UUID attributes to positively identify volumes on OS X. For the average HFS+ volume, I can count on the UUID being unique and consistent across the lifetime of that volume. Some of my customers have reported that ACFS volumes, however, get new UUIDs each time the Xsan volume is mounted, e.g.:

diskutil info /Volumes/XSAN | grep "Volume UUID"
Volume UUID: BA3B4176-FE67-3212-AF40-E4C1E710B28C

[Use Xsan tools to unmount and remount the volume, and/or restart the MDC and/or restart the clients -- frankly I don't know which of these actions produces the result]

diskutil info /Volumes/XSAN | grep "Volume UUID"
Volume UUID: 33413E33-7F77-4FC4-BA30-E4B4ABE0FE16

Is this expected behavior, or a configuration problem for these particular Xsan users? I can cope with not being able to rely on the UUID, but I don't want to discard that info without verifying that Xsan volume UUIDs are actually expected to change.

Thanks,
Mike

↧
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