I have 2 hard drives in my laptop - linux mint 18.1 Serena is installed on 1 the other was unused but now appears to have failed so booting now takes over a minute.dmesg:[    4.071392] ata2: SATA max UDMA/133 abar m2048@0xb051d000 port 0xb051d180 irq 42[    9.430756] ata2: link is slow to respond, please be patient (ready=0)[   14.078859] ata2: COMRESET failed (errno=-16)[   19.446984] ata2: link is slow to respond, please be patient (ready=0)[   24.095092] ata2: COMRESET failed (errno=-16)[   29.463215] ata2: link is slow to respond, please be patient (ready=0)[   59.143901] ata2: COMRESET failed (errno=-16)[   59.143914] ata2: limiting SATA link speed to 3.0 Gbps[   64.176017] ata2: COMRESET failed (errno=-16)[   64.176030] ata2: reset failed, giving upHow can I stop it trying to connect to the failed drive? Is this only possible by physically disconnecting it?
Bypass/remove reference to failed drive
linux mint;boot;hard disk