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Description of my issue:

Akeeba backup keeps failign, ALICE log analyzer displays:
Large files issuesError
The following files are too big and can cause backup issues:

I have many large files on this site, documents that are linked to various pages, some files are over 100mb. How can i increase the file size limit?
Attached is log file from the latest failed backup.
thanks,
Victor

The problem is that Akeeba can not write to the backup archive:

DEBUG   |160411 10:45:09|Akeeba\Engine\Archiver\Base::_fwrite() ERROR!! Cannot write to archive file <root>/administrator/components/com_akeeba/backup/site-trustees-boilermakersbenefits.ca-20160411-114414.j01. The file exists. File size 2000000000 bytes after writing 579074 of 1048576 bytes. Please check the output directory permissions and make sure you have enough disk space available. If this does not help, please set up a Part Size for Split Archives LOWER than this size and retry backing up.
ERROR   |160411 10:45:09|Couldn't write to the archive file; check the output directory permissions and make sure you have enough disk space available.[len=579074 / 1048576]

There are two main causes for this error. First, you are out of space on your website. No matter what your host tells you, there is no such thing as an unlimited disk and no such thing as unlimited disk space. They may need to allocate more disk space to your account.

Second, your backup archive may have grown too large and your host is blocking access to it. Some hosts limit the size of an individual file. Go to Configuration, in the archive Options, and reduce your part size. It is currently set at 2 Gb. From the error message, it looks like you need to reduce this a bit.

thanks for your reply, I've contacted the hosting company and their reply is below:
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It appears that the Akeeba backup that you are creating is exceeding the 2 GB filesize limitation and this is why it is failing. With your GrowBig hosting account the filesize is limited to 2GB and an actively used file cannot exceed this limit.

In order to resolve this issue, you can either upgrade to a Cloud account or exclude some of the directories that are being backed up.
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So is there a way to have Akeeba backup the entire site but break the backup files into say 1GB chunks instead of creating a single massive file?

thank you,
Victor

Victor,

Absolutely! Go to Configuration, in the Advanced Configuration section, on the Archiver Engine line, click on Configure, and adjust the "Part size for split archives" setting. It is probably at 1999.66 now, you need to reduce it by one step to stay under the 2 Gb limit.

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