Remove some Mobi formats in Calibre

[Jo69]

I love Calibre and it manages my 3000 books very well
I used to just save my books in EPub fomats with it.

However (I don't know why) a few weeks ago I also decided to save all the books as Mobi too.

When backing up my library to an external every do often, used to take 20mins
But now it takes 3 hours!

And I like to have 2 copies!
It must be because of the mobis
Is there any way to remove some of the mobis? It has to be simple lol

[georgemk]

Yes very easy.

First select the book (or books) you wish to just remove the MOBI formats from.

next right click the selected book(s) and look in the Remove Book sub menu. use the option "Remove files of specific format from selected books". This pops up a dialog which shows the available the formats of said book. Just click the MOBI option.

Try just one book first as a test of course.

[Jo69]

Originally Posted by georgemk

Yes very easy.

First select the book (or books) you wish to just remove the MOBI formats from.

Next right click the selected book(s) and look in the Remove Book sub menu. use the option "Remove files of specific format from selected books". This pops up a dialog which shows the available the formats of said book. Just click the MOBI option.

Try just one book first as a test of course.

Thanks I didnt know that.

[Jo69]

Since I tried the same copy with 2 externals I have a horrible feeling it is a different problem though
Copied to an older external took 7 mins
Copy to an external I bought a few months ago is still trying after 3 hours.
Not sure what to do

[georgemk]

I've seen issues like this when a hard drive is starting to fail and the OS tries to map out the failing blocks. It makes for a massive hit on the system.

Run a disk check against both the source and destination drives.

Also check it's plugged in correctly and try another USB socket for the external drive.

Disks are very fragile and not made to last anymore. The warranties show that by now offering a 2 or 3 year one these days. And the new one may be a bad one
(Says he with 30 odd years of large systems experience)

[theducks]

Originally Posted by Jo69

Since I tried the same copy with 2 externals I have a horrible feeling it is a different problem though
Copied to an older external took 7 mins
Copy to an external I bought a few months ago is still trying after 3 hours.
Not sure what to do

Open 'event viewer' and check the system logs (red items) for disk issues.

Can we assume you are running Windows Defender and not some other bloated, overly aggressive security?

[Jo69]

Originally Posted by theducks

Open 'event viewer' and check the system logs (red items) for disk issues.

Can we assume you are running Windows Defender and not some other bloated, overly aggressive security?

All looks ok
Yes am running Wingows Defender
So is it a computer or External fault?
Have no problem with the other External

[Jo69]

Originally Posted by georgemk

I've seen issues like this when a hard drive is starting to fail and the OS tries to map out the failing blocks. It makes for a massive hit on the system.

Run a disk check against both the source and destination drives.

Also check it's plugged in correctly and try another USB socket for the external drive.

Disks are very fragile and not made to last anymore. The warranties show that by now offering a 2 or 3 year one these days. And the new one may be a bad one
(Says he with 30 odd years of large systems experience)

Thanks doing that now
Am I best to just invest in a new external drive?

[Jo69]

Am now getting this message when I try and open files on the external hard drive that is creating the problem

[georgemk]

If the new disk is only a few months old then it should be under warranty. Get who ever sold you it to provide a replacement.

[theducks]

Originally Posted by Jo69

Am now getting this message when I try and open files on the external hard drive that is creating the problem

Is that drive self powered (USB cable only)? Did it come with 2 USB plugs on the cable, then you may need to plug both in to get enough power (USB 2 ports only allow 0.5A each)

If the drive is NOT USB 3, make sure to use a USB2 port (It is supposed to work in either)

[Jo69]

Last night I could view files on it
Did all the suggestions
Today it just clicks
Have had it a year, but found the paperwork and it is still under guarantee
But full of personal files

Will wait till the shops open to take it back as not been out for months.
Its John Lewis so should be ok
Thanks for all the help
Is there any make you would recommend for another one?

[georgemk]

Would hesitate to recommend an external drive as the insides of the devices change too regularly.
I bought a Toshiba Canvio a few years back which is still going (the previous Western Digital device had died after 10 years). However I only use that device every few months to backup to so it hasn't actually had that many hours of powered up time. So it might not be a good device in reality after probably only 300 hours of use.
Hence don't assume that just because mine is still working, 1 purchased today would last as long.

[theducks]

If it is in use all the time, I would put a desktop (3.5") drive in a powered (has power cord) , vented case (heat kills drives).

[Jo69]

Originally Posted by georgemk

Would hesitate to recommend an external drive as the insides of the devices change too regularly.
I bought a Toshiba Canvio a few years back which is still going (the previous Western Digital device had died after 10 years). However I only use that device every few months to backup to so it hasn't actually had that many hours of powered up time. So it might not be a good device in reality after probably only 300 hours of use.
Hence don't assume that just because mine is still working, 1 purchased today would last as long.

Thanks for replying
I have found that too
My other external is a lot older and still working.
I have had 2 WD externals that have let my down.
I have always bought WDs but I suppose its just bad luck.
Use mine most days.

Also I am worried about taking the faulty one back as it is full of personal stuff