Re: [CentOS] Inquiry:How to compare two files but not in line-by-line basis?

2009-12-05 Thread hadi motamedi
On Thu, Dec 3, 2009 at 12:42 PM, mark wrote: > John Doe wrote: > > From: hadi motamedi > >> Can you please do me favor and let me know if I can go further and try > for > >> advanced search like finding how many rows inside a file have data that > >> does not start with a zero after the third co

[CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Miguel Medalha
I am about to install a new server running CentOS 5.4. The server will contain pretty critical data that we can't afford to corrupt. I would like to benefit from the extra speed and features of a ext4 filesystem but I don't have any experience with it. Is there some member of the list who can en

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Chan Chung Hang Christopher
Miguel Medalha wrote: > I am about to install a new server running CentOS 5.4. The server will > contain pretty critical data that we can't afford to corrupt. > > I would like to benefit from the extra speed and features of a ext4 > filesystem but I don't have any experience with it. > Is there s

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Timo Schoeler
thus Chan Chung Hang Christopher spake: > Miguel Medalha wrote: >> I am about to install a new server running CentOS 5.4. The server will >> contain pretty critical data that we can't afford to corrupt. >> >> I would like to benefit from the extra speed and features of a ext4 >> filesystem but I

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Miguel Medalha
> For enterprise environments my favorite FS is XFS, YMMV, though. > I also thought about using xfs, but I don't like the idea of it being dependent of an external kernel module that is always lagging behind the current kernel version. RedHat made the very questionable decision of NOT inclu

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Timo Schoeler
thus Miguel Medalha spake: > >> For enterprise environments my favorite FS is XFS, YMMV, though. >> > > I also thought about using xfs, but I don't like the idea of it being > dependent of an external kernel module that is always lagging behind the > current kernel version. OTOH XFS never w

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Akemi Yagi
On Sat, Dec 5, 2009 at 8:27 AM, Miguel Medalha wrote: > >> For enterprise environments my favorite FS is XFS, YMMV, though. > I also thought about using xfs, but I don't like the idea of it being > dependent of an external kernel module that is always lagging behind the > current kernel version.

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Miguel Medalha
> (...) The xfs kernel module offered by CentOS > became kABI-compatible sometime ago -- meaning it survives kernel > updates. That is a clear improvement over the previous situation. I did suspect it but was not sure about it. Thank you for the information. I will do some tests with xfs, then.

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Akemi Yagi
On Sat, Dec 5, 2009 at 9:15 AM, Miguel Medalha wrote: >> And, as of CentOS 5.4, xfs is now enabled in the kernel, so >> no need for any external kernel module. But yes, this is available for >> x86_64 only > > ... a decision that many people have trouble at understanding! I asked Eric Sandeen of

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Les Mikesell
Miguel Medalha wrote: >> (...) The xfs kernel module offered by CentOS >> became kABI-compatible sometime ago -- meaning it survives kernel >> updates. > > That is a clear improvement over the previous situation. I did suspect > it but was not sure about it. Thank you for the information. I will

[CentOS] Building xfsprogs can't find valid UUID library

2009-12-05 Thread C Linus Hicks
On CentOS 5.3 x86_64, I'm trying to build xfsprogs-2.9.4-1.el5.centos.x86_64 with -ggdb so I can use it with gdb and examine the data structures when using xfs_db. I've installed the src rpm as a non-root user and when I run rpmbuild -bc during the ./configure I get the error: . . . checking uuid.

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread John R Pierce
Timo Schoeler wrote: > For enterprise environments my favorite FS is XFS, YMMV, though. > I've always avoided XFS because A) it wsan't supported natively in RHEL anyways, and B) I've heard far too many stories about catastrophic loss problems and day long FSCK sessions after power failures [1

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Timo Schoeler
thus John R Pierce spake: > Timo Schoeler wrote: >> For enterprise environments my favorite FS is XFS, YMMV, though. >> > > I've always avoided XFS because A) it wsan't supported natively in RHEL > anyways, and B) I've heard far too many stories about catastrophic loss > problems and day long

Re: [CentOS] Building xfsprogs can't find valid UUID library

2009-12-05 Thread Akemi Yagi
On Sat, Dec 5, 2009 at 10:43 AM, C Linus Hicks wrote: > On CentOS 5.3 x86_64, I'm trying to build > xfsprogs-2.9.4-1.el5.centos.x86_64 with -ggdb so I can use it with gdb > and examine the data structures when using xfs_db. I've installed the > src rpm as a non-root user and when I run rpmbuild -b

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Jure Pečar
On Sat, 05 Dec 2009 10:48:56 -0800 John R Pierce wrote: > Timo Schoeler wrote: > > For enterprise environments my favorite FS is XFS, YMMV, though. > > > > I've always avoided XFS because A) it wsan't supported natively in RHEL > anyways, and B) I've heard far too many stories about catastro

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread John R Pierce
Jure Pečar wrote: > AFAIK AIX JFS != Linux JFS. It's more like OS/2 JFS and IBM > ported it to linux to enable their os/2 customers to move to linux. > that same OS/2 JFS was backported to AIX as JFS2, I believe. > Also whenever fs reliability discussion pops up I like to point people to > th

Re: [CentOS] Building xfsprogs can't find valid UUID library

2009-12-05 Thread C Linus Hicks
On Sat, 2009-12-05 at 12:29 -0800, Akemi Yagi wrote: > On Sat, Dec 5, 2009 at 10:43 AM, C Linus Hicks wrote: > > On CentOS 5.3 x86_64, I'm trying to build > > xfsprogs-2.9.4-1.el5.centos.x86_64 with -ggdb so I can use it with gdb > > and examine the data structures when using xfs_db. I've installe

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Chan Chung Hang Christopher
Jure Pečar wrote: > On Sat, 05 Dec 2009 10:48:56 -0800 > John R Pierce wrote: > > >> Timo Schoeler wrote: >> >>> For enterprise environments my favorite FS is XFS, YMMV, though. >>> >>> >> I've always avoided XFS because A) it wsan't supported natively in RHEL >> anyways, and B)

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Chan Chung Hang Christopher
John R Pierce wrote: > Timo Schoeler wrote: > >> For enterprise environments my favorite FS is XFS, YMMV, though. >> >> > > I've always avoided XFS because A) it wsan't supported natively in RHEL > anyways, and B) I've heard far too many stories about catastrophic loss > problems and d

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Les Mikesell
Chan Chung Hang Christopher wrote: > John R Pierce wrote: >> Timo Schoeler wrote: >> >>> For enterprise environments my favorite FS is XFS, YMMV, though. >>> >>> >> I've always avoided XFS because A) it wsan't supported natively in RHEL >> anyways, and B) I've heard far too many stories

Re: [CentOS] Is ext4 safe for a production server?

2009-12-05 Thread Brian Mathis
On Sat, Dec 5, 2009 at 10:20 AM, Miguel Medalha wrote: > I am about to install a new server running CentOS 5.4. The server will > contain pretty critical data that we can't afford to corrupt. > > I would like to benefit from the extra speed and features of a ext4 > filesystem but I don't have any