[ale] mounted filesystem becomes read-only
Lightner, Jeff
jlightner at water.com
Fri Jun 11 14:55:10 EDT 2010
I don't think so. Running a disk on USB is one thing - trying to run a
SAN on USB would be indicative of a PHB or a masochist. (Or maybe a
sadist like BOFH who wants to make sure his users don't expect good
performance.)
I think he was responding to the Dell and iSCSI comment Dennis made. It
peaked my curiosity as to what components he thought made such a SAN
crap. Dell servers work fairly well and doing fibre to them from our
EMC arrays works well so I was suspecting it was either iSCSI itself or
maybe whatever Dell branded array or intermediate components might be in
such a SAN
-----Original Message-----
From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
Geoffrey
Sent: Friday, June 11, 2010 2:35 PM
To: Atlanta Linux Enthusiasts - Yes! We run Linux!
Subject: Re: [ale] mounted filesystem becomes read-only
Lightner, Jeff wrote:
> Crap because it's iSCSI or because it's Dell?
I thought he was referring to my post indicating it was a usb connected
drive.
>
> -----Original Message-----
> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
> Geoffrey
> Sent: Friday, June 11, 2010 12:13 PM
> To: Atlanta Linux Enthusiasts - Yes! We run Linux!
> Subject: Re: [ale] mounted filesystem becomes read-only
>
> Jeff Hubbs wrote:
>> Yep - that's a SAN that's not worth a crap.
>
> Amen.
>
>> 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-ret
> rieved/
>>>> The Norcross Group
>>>> The Intersection of Evidence& Technology
>>>> http://www.norcrossgroup.com
>>>>
>>>> _______________________________________________
>>>> 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
>>>>
>>>>
>>> _______________________________________________
>>> 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
>>>
>>>
>> _______________________________________________
>> 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
>>
>
>
--
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
Proud partner. Susan G. Komen for the Cure.
Please consider our environment before printing this e-mail or attachments.
----------------------------------
CONFIDENTIALITY NOTICE: This e-mail may contain privileged or confidential information and is for the sole use of the intended recipient(s). If you are not the intended recipient, any disclosure, copying, distribution, or use of the contents of this information is prohibited and may be unlawful. If you have received this electronic transmission in error, please reply immediately to the sender that you have received the message in error, and delete it. Thank you.
----------------------------------
More information about the Ale
mailing list