FYI. Looks like the same problem at this Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=447507
The only difference - not virtual environment. md5sum's counts incorrect. local or over ssh file copy produce corrupted file. and the same "ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0" in dmesg. /me working on the issue... -Anton carlopmart wrote: > carlopmart wrote: >> carlopmart wrote: >>> Luke S Crawford wrote: >>>> carlopmart <[EMAIL PROTECTED]> writes: >>>>>>> When I try to copy a 465MB's or 650MB's file to domU, md5sum is >>>>>>> ok. But when I try to copy a 1GB file or more, md5sums are >>>>>>> wrong. Same result if I try to copy from domU. for example: >>>> ... >>>>> Please any hints?? I need to deploy this system on a production >>>>> environment with xen or with vmware server ... >>>> >>>> I can't reproduce the problem; several things to check: >>>> >>>> 1. ram. your problem could be caused by funky ram. run memtest86. >>>> >>>> 2. funky swap. run dmesg in the dom0. do you see funky problems >>>> related >>>> to disk? run smartctl and see if your disks are dying. >>>> >>>> Of course both of those things should also cause periodic swaps, but >>>> especially >>>> if you don't use ECC ram, and you normally use less ram than you are >>>> using >>>> with virtualization, setting up virtualization could cause to to use >>>> funky ram >>>> that would otherwise be idle. another thing to look at is dmesg in >>>> the DomU and see if there are any interesting messages. >>>> Also, The md5sum is wrong,but is the file size about right? >>>> >>>> >>> >>> Thanks Luke for your responses. My answers: >>> >>> 1) memtest86 doesn't reports any error with ram. >>> 2) when I try to start smartd i see these errors: >>> >>> SCSI device sda: drive cache: write back >>> ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 >>> ata1.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 >>> res 51/04:00:80:00:00/00:00:00:00:00/00 Emask 0x1 (device >>> error) >>> ata1.00: Host Protected Area detected: >>> current size: 312579695 sectors >>> native size: 312581808 sectors >>> ata1.00: Host Protected Area detected: >>> current size: 312579695 sectors >>> native size: 312581808 sectors >>> ata1.00: configured for UDMA/133 >>> ata1: EH complete >>> >>> 3) file size are ok, only md5sums are wrong. But If I try to execute, >>> decompress, mount or I will try another operation to any file, all >>> fails ... >>> >>> I have attached dmesg from dom0 and domU >>> >> >> Ok, it seems the problem isn't hardware related, I am not 100% sure >> but it seems. I have installed vmware server beta2 on this rhel5.1 >> host. Afterwards I have setup a rhel5.1 guest (without installing >> vmware tools) and all md5sums are ok now (on guest and on host). >> >> Any ideas why under vmware all works ok (an it is a beta product) and >> on rhel5.1 xen not??? >> >> >> >> > Please, can somebody helps me?? > _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
