Most USB flash drives have horrid performance, especially for writes and doubly especially for random writes. For a live linux distro, I would recommend a Sandisk Extreme or anything from Patriot. Rainer Traut wrote the following on 2/27/2014 6:17 AM: > Hi, > > I am running C6.5 64bit on an USB stick connected to a HP DL360G7; > It is usually an ESXi host but eg for firmware updates (not available on > SPP) I use this local installation. > > Problem are the lags and unresponsiveness we are seeing for example when > running yum update in the installation phase. The whole system stalls > but there is no io in vmstat. > > From what google tells us, this is a known problem with linux. > But is there anything we can do to mitigate? > > steps so far: mount / with ext4: defaults,data=writeback,noatime,nodiratime > > Thx > Rainer > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos