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08-15-2010 09:24 PM
08-15-2010 09:24 PM
Acces denied for 1TB USB Disk in RHEL4
Hi Good morning Friends,
I am using HP Workstation xw8400 Rhel4 Installed on it. I have connected 1TB USB hard disk. And made the single ext3 partion and mounted on a perticular folder. But when i copy a folder a file it get copy but after few minutes or hour when i copy a folder or file it gives the error as.
cp: cannot create regular file `/magma1tb': Read-only file system
As i have tried with chmod -R 777 /magma1tb
And chmod 777 /magma1tb
Any solution for this
Thanks in advance
Rohit
Regards
I am using HP Workstation xw8400 Rhel4 Installed on it. I have connected 1TB USB hard disk. And made the single ext3 partion and mounted on a perticular folder. But when i copy a folder a file it get copy but after few minutes or hour when i copy a folder or file it gives the error as.
cp: cannot create regular file `/magma1tb': Read-only file system
As i have tried with chmod -R 777 /magma1tb
And chmod 777 /magma1tb
Any solution for this
Thanks in advance
Rohit
Regards
1 REPLY 1
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08-16-2010 02:39 AM
08-16-2010 02:39 AM
Re: Acces denied for 1TB USB Disk in RHEL4
"Read-only file system" is not related to file/directory permissions nor chmod at all.
With default settings, RHEL switches a filesystem into read-only mode when it detects a hardware error.
You can verify the read-only mode using this command:
grep ro, /proc/mounts
You may try to switch the filesystem back to read-write mode with this command:
mount -o remount,rw /magma1tb
but if the system has detected filesystem errors, the command may be rejected.
In that case, you must unmount the filesystem, run a filesystem check on it, and then mount it again. (replace /dev/sdX1 with the real device name of the ext3 partition on your USB disk)
umount /magma1tb
fsck -C 0 /dev/sdX1
mount /dec/sdX1 /magma1tb
Also check the USB cable connections: a loose connector may cause random errors.
MK
With default settings, RHEL switches a filesystem into read-only mode when it detects a hardware error.
You can verify the read-only mode using this command:
grep ro, /proc/mounts
You may try to switch the filesystem back to read-write mode with this command:
mount -o remount,rw /magma1tb
but if the system has detected filesystem errors, the command may be rejected.
In that case, you must unmount the filesystem, run a filesystem check on it, and then mount it again. (replace /dev/sdX1 with the real device name of the ext3 partition on your USB disk)
umount /magma1tb
fsck -C 0 /dev/sdX1
mount /dec/sdX1 /magma1tb
Also check the USB cable connections: a loose connector may cause random errors.
MK
MK
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