The logs did not show anything that would explain the error. I believe the issue was because I had added a shard since the last backup. Once I deleted the backup, it worked as expected and subsequent backups worked as well.
Thanks for the comments. On Wed, Mar 29, 2023 at 7:10 AM Vivaldi <uyil...@vivaldi.net.invalid> wrote: > Are you using HDFS to backup or shared network directory? In the case of > shared directory the same location should be writable (accessible and has > write permissions) from all solr nodes. > > > > On 28 Mar 2023, at 19:22, Houston Putman <houstonput...@gmail.com> > wrote: > > > > Can you provide more information, such as the request you send to solr > and > > logs that might explain the IOException? > > > > - Houston > > > >> On Wed, Mar 22, 2023 at 10:51 AM r ohara <rohara...@gmail.com> wrote: > >> > >> Hi all, > >> We are using solrcloud 8.11 with 10 shards. We've been getting errors > >> trying to back up our index using the collections API. Here's the error > we > >> see in some of the nodes when we run the REQUESTSTATUS api. > >> > >> Failed to backup core=collection_02_replica_t21 because > >> java.io.IOException: Input/output error > >> > >> We ran it successfully once, but since then at least one node, but not > >> always the same one fails. It is a large index with almost 100 million > >> documents and 2T total in size. What could cause this error? > >> > >> Thanks in advance > >> > >