How much does it cost to replace and configure disks in raid(mdadm)?

Question

RAID

Sorry if the question is incorrect.
I did not immediately agree on the price for the work, because the customer contacted me through a friend. Since I have not done freelancing before, I don’t even know how much money to take for the work done.
There is a linux server (Debian 7) on which raid 1 is configured using mdadm.
md0 => /boot
md1 => /
md2 => /home (1.8tb) - this partition needed to be enlarged.
3 disks in a raid of 2tb. It was necessary to replace them with 4TB disks. The /home partition had to grow as much as possible, the maximum possible uptime was needed during operation.
MBR supports a 2.2 TB partition maximum (didn't know before), so I had to mark it in gpt. But there was a problem with boot. I dug up an ssd, broke it into mbr and shoved it as a 4th disk for boot and root, it is now loaded from it (I know that if the ssd dies, the system will not boot, but this is solvable) The first time grub did not become normal on ssd, but After a little fiddling, everything worked. As a result, now everything is synchronized and working. The main task to increase the volume / home - completed. How much to take this job?

Answer 1

Amount of time spent * hourly rate