Re: [CentOS] ext4 or XFS

2011-01-12 Thread Rajagopal Swaminathan
On 1/12/11, compdoc comp...@hotrodpc.com wrote: I didn't bring up experimental software - I thought that's what he was using. I misread. And it worked quite well, except for write speeds. There are some cool features with zfs. http://www.redhat.com/rhel/compare/ As it stands, 16/25/100 TB

Re: [CentOS] ext4 or XFS

2011-01-12 Thread Gene Brandt
Hey I've been watching the thread on and off. How large in the file system you are trying to share? What will it / they be used? -- Thanks, Gene Brandt SCSA 8625 Carriage Road River Ridge, LA 70123 home 504-737-4295 cell 504-452-3250 Family Web Page | My Web Page | LinkedIn | Facebook

Re: [CentOS] ext4 or XFS

2011-01-12 Thread Mathieu Baudier
Hey I've been watching the thread on and off. How large in the file system you are trying to share? What will it / they be used? http://lists.centos.org/pipermail/centos/2011-January/thread.html http://lists.centos.org/pipermail/centos/2011-January/104184.html

Re: [CentOS] ext4 or XFS

2011-01-12 Thread aurfalien
On Jan 12, 2011, at 8:19 AM, Gene Brandt wrote: Hey I've been watching the thread on and off. How large in the file system you are trying to share? What will it / they be used? Home dirs which are low/medium bandwidth and other low bandwidth data. Basically 3 individual NFS exports.

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Digimer
On 01/11/2011 01:47 PM, aurfal...@gmail.com wrote: Hi all, I've a 30TB hardware based RAID array. Wondering what you all thought of using ext4 over XFS. I've been a big XFS fan for years as I'm an Irix transplant but would like your opinions. This 30TB drive will be an NFS exported

Re: [CentOS] ext4 or XFS

2011-01-11 Thread compdoc
XFS is safe - lots of protection for your data, but it cuts write speeds in half. Ext4 does not slow things down... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ext4 or XFS

2011-01-11 Thread aurfalien
On Jan 11, 2011, at 10:49 AM, Digimer wrote: On 01/11/2011 01:47 PM, aurfal...@gmail.com wrote: Hi all, I've a 30TB hardware based RAID array. Wondering what you all thought of using ext4 over XFS. I've been a big XFS fan for years as I'm an Irix transplant but would like your opinions.

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Joshua Baker-LePain
On Tue, 11 Jan 2011 at 1:49pm, Digimer wrote On 01/11/2011 01:47 PM, aurfal...@gmail.com wrote: Hi all, I've a 30TB hardware based RAID array. Wondering what you all thought of using ext4 over XFS. I've been a big XFS fan for years as I'm an Irix transplant but would like your opinions.

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Benjamin Franz
On 01/11/2011 10:56 AM, aurfal...@gmail.com wrote: I read where ext4 supports 1EB partition size The format supports it - the e2fsprogs tools do not. 16TB is the practical limit. -- Benjamin Franz ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] ext4 or XFS

2011-01-11 Thread compdoc
I use ext4 on my tiny 8TB arrays. Centos 5.5 does support it, although the gui tools have small issues with it. Centos 6 should support it better... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Boris Epstein
On Tue, Jan 11, 2011 at 1:47 PM, aurfal...@gmail.com wrote: Hi all, I've a 30TB hardware based RAID array. Wondering what you all thought of using ext4 over XFS. I've been a big XFS fan for years as I'm an Irix transplant but would like your opinions. This 30TB drive will be an NFS

Re: [CentOS] ext4 or XFS

2011-01-11 Thread aurfalien
On Jan 11, 2011, at 11:01 AM, Benjamin Franz wrote: On 01/11/2011 10:56 AM, aurfal...@gmail.com wrote: I read where ext4 supports 1EB partition size The format supports it - the e2fsprogs tools do not. 16TB is the practical limit. Have you installed e4fsprogs? - aurf

Re: [CentOS] ext4 or XFS

2011-01-11 Thread aurfalien
On Jan 11, 2011, at 10:59 AM, Joshua Baker-LePain wrote: On Tue, 11 Jan 2011 at 1:49pm, Digimer wrote On 01/11/2011 01:47 PM, aurfal...@gmail.com wrote: Hi all, I've a 30TB hardware based RAID array. Wondering what you all thought of using ext4 over XFS. I've been a big XFS fan for

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Benjamin Franz
On 01/11/2011 11:07 AM, aurfal...@gmail.com wrote: On Jan 11, 2011, at 11:01 AM, Benjamin Franz wrote: On 01/11/2011 10:56 AM, aurfal...@gmail.com wrote: I read where ext4 supports 1EB partition size The format supports it - the e2fsprogs tools do not. 16TB is the practical limit. Have

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Joshua Baker-LePain
On Tue, 11 Jan 2011 at 11:12am, aurfal...@gmail.com wrote My RAID has a strip size of of 32KB and a block size of 512bytes. I've usually just done blind XFS formats but would like to tune it for smaller files. Of course big/small is relative but in my env, small means sub 300MB or so.

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Lamar Owen
On Tuesday, January 11, 2011 01:47:33 pm aurfal...@gmail.com wrote: I've a 30TB hardware based RAID array. Wondering what you all thought of using ext4 over XFS. XFS. But make sure you're using a 64-bit CentOS. 32-bit CentOS (at least C5 of six months or so ago) will in fact run mkfs.xfs

Re: [CentOS] ext4 or XFS

2011-01-11 Thread James A. Peltier
- Original Message - | On Jan 11, 2011, at 10:59 AM, Joshua Baker-LePain wrote: | | On Tue, 11 Jan 2011 at 1:49pm, Digimer wrote | | On 01/11/2011 01:47 PM, aurfal...@gmail.com wrote: | Hi all, | | I've a 30TB hardware based RAID array. | | Wondering what you all thought of using

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Christopher Chan
On Wednesday, January 12, 2011 02:55 AM, compdoc wrote: XFS is safe - lots of protection for your data, but it cuts write speeds in half. When did XFS start looking like reiserfs? Lots of protection for your data? Let's see, super aggressive caching and no data journaling only metadata

Re: [CentOS] ext4 or XFS

2011-01-11 Thread compdoc
Lots of protection for your data? Let's see, super aggressive caching and no data journaling only metadata journaling, what on earth are you blabbering about? Use XFS with anything that has no BBU cache support or barrier support and recent files are toast when there is a crash or sudden power

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Christopher Chan
On Wednesday, January 12, 2011 08:51 AM, compdoc wrote: Lots of protection for your data? Let's see, super aggressive caching and no data journaling only metadata journaling, what on earth are you blabbering about? Use XFS with anything that has no BBU cache support or barrier support and

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Digimer
On 01/11/2011 08:00 PM, Christopher Chan wrote: On Wednesday, January 12, 2011 08:51 AM, compdoc wrote: Lots of protection for your data? Let's see, super aggressive caching and no data journaling only metadata journaling, what on earth are you blabbering about? Use XFS with anything that

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Ross Walker
On Jan 11, 2011, at 7:51 PM, compdoc comp...@hotrodpc.com wrote: Lots of protection for your data? Let's see, super aggressive caching and no data journaling only metadata journaling, what on earth are you blabbering about? Use XFS with anything that has no BBU cache support or barrier

Re: [CentOS] ext4 or XFS

2011-01-11 Thread aurfalien
On Jan 11, 2011, at 5:17 PM, Digimer wrote: On 01/11/2011 08:00 PM, Christopher Chan wrote: On Wednesday, January 12, 2011 08:51 AM, compdoc wrote: Lots of protection for your data? Let's see, super aggressive caching and no data journaling only metadata journaling, what on earth are you

Re: [CentOS] ext4 or XFS

2011-01-11 Thread compdoc
I never said it was native. zfs-fuse.x86_64 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Christopher Chan
On Wednesday, January 12, 2011 10:07 AM, compdoc wrote: I never said it was native. zfs-fuse.x86_64 Not a Centos or a RHEL package. Please don't bring up experimental software in threads that are comparing filesystems for production use. If you want to suggest ZFS, you should suggest that the

Re: [CentOS] ext4 or XFS

2011-01-11 Thread compdoc
I didn't bring up experimental software - I thought that's what he was using. I misread. And it worked quite well, except for write speeds. There are some cool features with zfs. Trying to decide just what file system to use for these larger and larger arrays is something I've been facing very

Re: [CentOS] ext4 or XFS

2011-01-11 Thread aurfalien
On Jan 11, 2011, at 6:28 PM, Christopher Chan wrote: On Wednesday, January 12, 2011 10:07 AM, compdoc wrote: I never said it was native. zfs-fuse.x86_64 Not a Centos or a RHEL package. Please don't bring up experimental software in threads that are comparing filesystems for production use.

Re: [CentOS] ext4 or XFS

2011-01-11 Thread compdoc
zfs-fuse.x86_64 is from epel - at least some users trust that repo. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ext4 or XFS

2011-01-11 Thread Ray Van Dolson
On Tue, Jan 11, 2011 at 08:42:55PM -0700, compdoc wrote: zfs-fuse.x86_64 is from epel - at least some users trust that repo. EPEL is very trustworthy, but I for one wouldn't use ZFS fuse for anything Enterprise (though I would use it for testing, or personal use). As an aside, a company called