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[ale] mounted filesystem becomes read-only



Yep - that's a SAN that's not worth a crap.

On 6/11/10 9:10 AM, Dennis Ruzeski wrote:
> Check out the command lsattr. You can make a FS ro with it even though
> mount will show it rw.
> Also, is that disk on a san? I'm seeing this happen randomly with our
> dell san connected via iscsi to the vmware server.
>
> --Dennis
>
>
>
> On Fri, Jun 11, 2010 at 8:31 AM, Greg Freemyer<greg.freemyer at gmail.com>  wrote:
>    
>> sometimes if the kernel sees fs corruption it will internally set a fs
>> to readonly.
>>
>> check your kernel logs
>>
>> On Fri, Jun 11, 2010 at 8:12 AM, Geoffrey<lists at serioustechnology.com>  wrote:
>>      
>>> I don't get this.  I have a mounted file system that I just created a vm
>>> on via vmware player.  It's never been unmounted, yet if I try to create
>>> a file on it I get:
>>>
>>> touch foo
>>> touch: cannot touch `foo': Read-only file system
>>>
>>> More weirdness:
>>>
>>> root at mac/media/vmware>  mount|grep vmware
>>> /dev/sdb3 on /media/vmware type ext3 (rw)
>>>
>>> The OS clearly thinks it's a writable file system.
>>>
>>> Clues anyone?????
>>>
>>> I can't unmount it either as it says it's busy, and I'm pretty sure that
>>> has something to do with vmware:
>>>
>>> ps aux|grep vmware
>>> root      2837  0.0  0.0  18552   884 ?        Ss   Jun09   0:00
>>> /usr/bin/vmware-usbarbitrator
>>> root      2926  0.0  0.0  10980   156 ?        Ss   Jun09   0:00
>>> /usr/bin/vmnet-dhcpd -s 6 -cf /etc/vmware/vmnet1/dhcpd/dhcpd.conf -lf
>>> /etc/vmware/vmnet1/dhcpd/dhcpd.leases -pf
>>> /var/run/vmnet-dhcpd-vmnet1.pid vmnet1
>>> root      2949  0.0  0.0  10980   540 ?        Ss   Jun09   0:00
>>> /usr/bin/vmnet-dhcpd -s 6 -cf /etc/vmware/vmnet8/dhcpd/dhcpd.conf -lf
>>> /etc/vmware/vmnet8/dhcpd/dhcpd.leases -pf
>>> /var/run/vmnet-dhcpd-vmnet8.pid vmnet8
>>> root      2955  0.0  0.0   9116   964 ?        S    Jun09   0:37
>>> /usr/bin/vmnet-natd -s 6 -m /etc/vmware/vmnet8/nat.mac -c
>>> /etc/vmware/vmnet8/nat/nat.conf
>>> esoteric 14124  0.0  0.0   2852   780 ?        S<     Jun10   0:00
>>> /usr/lib/vmware/bin/thnuclnt -pdir /tmp/vmware-esoteric/thnuclnt-14114 -fg
>>> esoteric 14126  0.0  0.0  11304   980 ?        S<     Jun10   0:00
>>> /usr/lib/vmware/bin/thnuclnt -pdir /tmp/vmware-esoteric/thnuclnt-14114 -fg
>>> esoteric 14128  0.0  0.0  57468   248 ?        S<     Jun10   0:00
>>> /usr/lib/vmware/bin/thnuclnt -pdir /tmp/vmware-esoteric/thnuclnt-14114 -fg
>>> esoteric 14129  0.0  0.0  57472   224 ?        S<     Jun10   0:00
>>> /usr/lib/vmware/bin/thnuclnt -pdir /tmp/vmware-esoteric/thnuclnt-14114 -fg
>>>
>>>
>>> --
>>> Until later, Geoffrey
>>>
>>> "I predict future happiness for America if they can prevent
>>> the government from wasting the labors of the people under
>>> the pretense of taking care of them."
>>> - Thomas Jefferson
>>> _______________________________________________
>>> Ale mailing list
>>> Ale at ale.org
>>> http://mail.ale.org/mailman/listinfo/ale
>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>> http://mail.ale.org/mailman/listinfo
>>>
>>>        
>>
>>
>> --
>> Greg Freemyer
>> Head of EDD Tape Extraction and Processing team
>> Litigation Triage Solutions Specialist
>> http://www.linkedin.com/in/gregfreemyer
>> CNN/TruTV Aired Forensic Imaging Demo -
>>    http://insession.blogs.cnn.com/2010/03/23/how-computer-evidence-gets-retrieved/
>>
>> The Norcross Group
>> The Intersection of Evidence&  Technology
>> http://www.norcrossgroup.com
>>
>> _______________________________________________
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>>
>>      
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