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07-27-2006 02:42 AM
07-27-2006 02:42 AM
Best Filesystem for Backup Disk Staging
We're getting ready to try disk staging on Netbackup Enterprise and I was wondering if there was any recommendations for the filesystem to use for the best performance. The backup server is running Redhat ES 4
3 REPLIES 3
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07-27-2006 03:56 AM
07-27-2006 03:56 AM
Re: Best Filesystem for Backup Disk Staging
You can use the default ext3 file system and disable access times. Change the mount options for the file system and set (noatimes), and maybe, change the journaling option to "writeback". For details see:
http://www.novell.com/documentation/suse91/suselinux-adminguide/html/apas02.html
This is because the installation won't let you chosse another file system type. You must add the support later, that may add complexity to your installation.
http://www.novell.com/documentation/suse91/suselinux-adminguide/html/apas02.html
This is because the installation won't let you chosse another file system type. You must add the support later, that may add complexity to your installation.
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
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07-27-2006 04:24 AM
07-27-2006 04:24 AM
Re: Best Filesystem for Backup Disk Staging
Hi Ivan,
The OS has been installed on the Master/Media server for quite a while on , so I'm not really wanting to change the filesystem the OS is installed on. What I'm getting ready to do is present a huge LUN to that server and layout a filesystem on it so that Netbackup can perform the disk staging on. The theory is that once the backup images are staged, we can stream those images to our LTO3 drives. I guess a better question would have been which filesystem allows the fastest write throughput?
The OS has been installed on the Master/Media server for quite a while on , so I'm not really wanting to change the filesystem the OS is installed on. What I'm getting ready to do is present a huge LUN to that server and layout a filesystem on it so that Netbackup can perform the disk staging on. The theory is that once the backup images are staged, we can stream those images to our LTO3 drives. I guess a better question would have been which filesystem allows the fastest write throughput?
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07-27-2006 12:12 PM
07-27-2006 12:12 PM
Re: Best Filesystem for Backup Disk Staging
Hi,
We are using a staging disk dor Oracle RMAN dumps to DataProtector, only about 850gig ext3 FS. File size avarages about 6gig each. Write speed is good (>31meg/sec) but read to tape is horrible (10Meg/sec). Smaller filesystems read around 20Meg/sec.
I have played with "elvtune" but not much performance improvment there.
Interesting
We are using a staging disk dor Oracle RMAN dumps to DataProtector, only about 850gig ext3 FS. File size avarages about 6gig each. Write speed is good (>31meg/sec) but read to tape is horrible (10Meg/sec). Smaller filesystems read around 20Meg/sec.
I have played with "elvtune" but not much performance improvment there.
Interesting
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