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End_request: I/O error, dev sds, sector 420656157
EXT3-fs error (device sda2) : ext3_find_entry : reading directory # 52527153 offset

What is this Error ?

is your hard drive full?

where are you seeing this error?

did you google it?

does this occur after your system comes back from "sleep" or "hibernate"?

HDD is just 60% occupied.

Server working perfectly but suddenly , Agent sees TIME SYNC ERROR and then Agent cannot open any PAGE.

I see this Error on the SERVER when Agents cannot open any Page.

After Reboot , it works perfectly for 1 hour or so but then it again gives the Error.

Feedback from CentOS forum :

https://www.centos.org/modules/newbb/vi ... 8&forum=39

my advice:

g4l (ghost for linux)

dupe the drive and put the image on another one

OR

use backup script to backup the system and get the data off the box, then do a full reinstall on another drive and do a restore

OR

spend a lot of time trying to figure out what the heck is causing this, and if it IS the hard drive ... go back to the two options above.

Let me back up then Run below command :

fsck –fvy

It will correct most of the problems without asking everytime to
accept the changes to fs.

If it doesn't work , then anyway , Reinstall is the Option.

I know how to back the system using admin backup script { Though NEVER tried it } But How to Restore ?

work out the restore later ... if you've never used the backup you could lose all your data tonight.

run the backup script and get that data off your system

it does NOT copy RECORDINGS

it will create a zip which has several other zips in it, one for each category of item being backed up. you unzip the big one and then you have all the individual backups (configuration, sql, web, asterisk recordings). the sql is a mysqldump (standard method to restore is to execute it on the asterisk database using mysql), the rest are just files that can be restored on top of the existing files.

but finding the detailed instructions for restoring is only necessary if you have a backup.

I use the Standard VNow Installation with No Modification in any Config files.

So, thing to back up is ONLY MYSQL.

if you have not added any recordings or modified any web or configuration files, yep.

so using the backup script or just a mysqldump will give you pretty much the same thing.

or phpmysql data export if your version has phpmysql on it.