If input/output error is indicated by a system log of EC2 server as show below:-
... block drbd1: Local IO failed in request_timer_fn. Detaching...
Aborting journal on device drbd1-8.
block drbd1: IO ERROR: neither local nor remote disk
Buffer I/O error on device drbd1, logical block 557056 lost page write due to I/O error on drbd1 JBD2: I/O error detected when updating journal superblock for drbd1-8.
Root Caused:-
If our server is Amazon EBS-backed :- A failed Amazon EBS volume
If our server is Instance store-backed :- A failed physical drive
Solution:-
Terminate the instance and launch a new instance.
For an Amazon EBS-backed instance you can recover data from a recent snapshot by creating an image(AMI) from it. Any data added after the snapshot cannot be recovered.
... block drbd1: Local IO failed in request_timer_fn. Detaching...
Aborting journal on device drbd1-8.
block drbd1: IO ERROR: neither local nor remote disk
Buffer I/O error on device drbd1, logical block 557056 lost page write due to I/O error on drbd1 JBD2: I/O error detected when updating journal superblock for drbd1-8.
Root Caused:-
If our server is Amazon EBS-backed :- A failed Amazon EBS volume
If our server is Instance store-backed :- A failed physical drive
Solution:-
Terminate the instance and launch a new instance.
For an Amazon EBS-backed instance you can recover data from a recent snapshot by creating an image(AMI) from it. Any data added after the snapshot cannot be recovered.
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