Files on disk

2010-07-21 Thread van Sleeuwen, Berry
Hi listers, On a SLES8 guest we have found that file /var/log/lastlog is reported to be 26G. Also the /var/log/faillog is reported to be 2G. But, the /var is located on a 3390 model 3. So that disk, that also contains other directories, is only 2.3 G. Command df shows that the / is 83% in use.

Re: How to get Red Hat zLinux into single user mode?

2010-07-21 Thread Michael Holzheu
Hello Donald, We recently added a feature that allows to add kernel parameters at boot time. On RHEL5.4 you probably can use: #CP IPL devno parm s or #CP IPL devno parm single To start your system in single user mode. Best Regards Michael On Mon, 2010-07-12 at 09:46 -0700, Donald Russell

Re: Files on disk

2010-07-21 Thread Edmund R. MacKenty
On Wednesday 21 July 2010 05:03, van Sleeuwen, Berry wrote: On a SLES8 guest we have found that file /var/log/lastlog is reported to be 26G. Also the /var/log/faillog is reported to be 2G. But, the /var is located on a 3390 model 3. So that disk, that also contains other directories, is only 2.3

Re: Files on disk

2010-07-21 Thread Berry van Sleeuwen
Hello Edmund, Sparse files. OK. Then the next question, how can I store a 26G file in a machine that isn't that large? And to add to this, why does the filesystem backup really dump 26G into our TSM server? So it looks like the data is going somewhere. Berry. Op 21-07-10 15:41, Edmund R.

Re: Files on disk

2010-07-21 Thread Richard Troth
RSYNC is your friend. rsync -a -S sourcedir/. targetdir/. where -S means handle sparse files intelligently. TAR also has an option for handling sparse files. -- R;   On Wed, Jul 21, 2010 at 11:59, Berry van Sleeuwen berry.vansleeu...@xs4all.nl wrote: Hello Edmund, Sparse

Re: Files on disk

2010-07-21 Thread Edmund R. MacKenty
On Wednesday 21 July 2010 11:59, Berry van Sleeuwen wrote: Sparse files. OK. Then the next question, how can I store a 26G file in a machine that isn't that large? And to add to this, why does the filesystem backup really dump 26G into our TSM server? Because it isn't really using 26GB of disk

Re: Files on disk

2010-07-21 Thread David Boyes
Sparse files. OK. Then the next question, how can I store a 26G file in a machine that isn't that large? Because sparse files are just a bunch of pointers -- the data doesn't really exist. It's just diddling around with the directory inode. And to add to this, why does the filesystem backup

IFL's, VM, and Linux

2010-07-21 Thread Ed Long
We have a z10 running VM 5.4 in LPAR #1. The box has 2 half speed CP's, 2 IFL's, and 2 ZAAP's. We want to modify a specific zLinux guest, call it zLinux1, to only run on the IFL's. So far, we can get it to see all 6 engines which is not good. Sorry if this is obvous to some, what would be the

Re: IFL's, VM, and Linux

2010-07-21 Thread Mark Post
On 7/21/2010 at 01:21 PM, Ed Long rdhm...@prodigy.net wrote: We have a z10 running VM 5.4 in LPAR #1. The box has 2 half speed CP's, 2 IFL's, and 2 ZAAP's. We want to modify a specific zLinux guest, call it zLinux1, to only run on the IFL's. So far, we can get it to see all 6 engines which

Re: IFL's, VM, and Linux

2010-07-21 Thread Ed Long
Thanks for thinking about our problem. So does your construct   COMMAND DEFINE CPU 00 IFL   effectively tell VM to assign the first real IFL to this VM as CPU 00? On our system, the first real IFL is CPU 02 (00 and 01 are the CP's). Edward Long --- On Wed, 7/21/10, Mark Post mp...@novell.com

Re: IFL's, VM, and Linux

2010-07-21 Thread Mark Post
On 7/21/2010 at 05:16 PM, Ed Long rdhm...@prodigy.net wrote: Thanks for thinking about our problem. So does your construct COMMAND DEFINE CPU 00 IFL effectively tell VM to assign the first real IFL to this VM as CPU 00? No. This is referring to the virtual CPUs that the guest will

Re: Files on disk

2010-07-21 Thread Berry van Sleeuwen
Thank you all for your replies. It's clear to me, we were dumping zero's. Regards, Berry. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390

Re: Files on disk

2010-07-21 Thread Dave Jones
Does that imply then that a TMC backed up sparse file could not be restored to the same device it came off of? Would TMC attempt to restore all 26G? On 07/21/2010 12:14 PM, David Boyes wrote: Sparse files. OK. Then the next question, how can I store a 26G file in a machine that isn't that

Re: Files on disk

2010-07-21 Thread Edmund R. MacKenty
On Wednesday 21 July 2010 17:48, Dave Jones wrote: Does that imply then that a TMC backed up sparse file could not be restored to the same device it came off of? Would TMC attempt to restore all 26G? I would expect so. If it doesn't know enough to preserve the sparseness of a file as it backs

Re: Files on disk

2010-07-21 Thread Shane G
I might just add that despite it's manpage assertion, rsync isn't too intelligent about it at all. My (non z) testing indicated that if you re-use the same target file, after the initial run cp is significantly more efficient. The initial run for both is comparable as the target needs to be

Re: Files on disk

2010-07-21 Thread Sterling James
What's compression set to? I know that has other implications, also. Look at the makesparsefile option for restore. Tivoli Storage Manager backs up a sparse file as a regular file if client compression is off. Set the compression option to yes to enable file compression when backing up sparse

Re: IBM System z - A New Dimension in Computing webcast

2010-07-21 Thread Shane G
Seems Jim couldn't keep the lid on things. The IBM Canada home page is all dressed up with nowhere to go ... :0) Shane ... -- For LINUX-390 subscribe / signoff / archive access instructions, send email to

What's happening? V X

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