Root [Sprint/Cricket] Any need to backup "cache" and "recovery" in TWRP?

slip6 · Feb 1, 2013

When making nandroid backups in TWRP, I usually go with the default (first 3) options that are checked already (I think system, data, and something else). There's two more options, "cache" and "recovery". I assume that I'll never need to back those up, but can anyone tell me exactly what they are there for?

I would think "recovery" mean backing up TWRP itself, but not sure. If so don't see a point in that.

And "cache" referring to cached data, but again not sure if we would every need to restore that as well.

MusicJunkie · Feb 1, 2013

slip6 said:
When making nandroid backups in TWRP, I usually go with the default (first 3) options that are checked already (I think system, data, and something else). There's two more options, "cache" and "recovery". I assume that I'll never need to back those up, but can anyone tell me exactly what they are there for?

I would think "recovery" mean backing up TWRP itself, but not sure. If so don't see a point in that.

And "cache" referring to cached data, but again not sure if we would every need to restore that as well.

I used to know what those meant when I used AMON RA on the EVO but forgot since it was so long ago. Since they're not checked, I'm assuming it's not necessary. I don't know how a recovery can restore itself when you need the custom recovery to even restore a nandroid in the first place. And as for the cache, when you backup a nand it backs up everything and the same goes for restore. So, I don't really know, lol.

If I'm wrong, PLEASE [constructively] correct me.

EarlyMon · Feb 1, 2013

Cache builds dynamically, typically you want to clear it (along with the Dalvik cache) during any reflash or at the sign of any trouble.

Backing up cache and recovery are basically things you don't want to do.

Rxpert83 · Feb 1, 2013

You could use the recovery restore to undo a recovery update, but honestly it's probably just easier to install the old version of the recovery manually.

Basically, you don't need either of them

MusicJunkie · Feb 1, 2013

EarlyMon said:
Cache builds dynamically, typically you want to clear it (along with the Dalvik cache) during any reflash or at the sign of any trouble.

Backing up cache and recovery are basically things you don't want to do.

Thanks for the clarification! I usually wipe cache/dalvik even when I do a nand restore just in case, lol.

EarlyMon · Feb 1, 2013

Me too.

MusicJunkie · Feb 1, 2013

Rxpert83 said:
You could use the recovery restore to undo a recovery update, but honestly it's probably just easier to install the old version of the recovery manually.

Basically, you don't need either of them

That actually seems like the better way to do it. It'll avoid a bad restore of the older recovery, just in case

IOWA · Feb 3, 2013

The only time I ever backup recovery is when I'm flashing a new one.

Root [Sprint/Cricket] Any need to backup "cache" and "recovery" in TWRP?

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