Geralmente encontramos no Sendmail o error log abaixo:

Nov 15 08:19:56 server sendmail[314]: [ID 702911 mail.crit] My unqualified host name (localhost) unknown; sleeping for retry

Nov 15 08:19:56 server sendmail[315]: [ID 702911 mail.crit] My unqualified host name (localhost) unknown; sleeping for retry

Nov 15 08:20:57 server sendmail[314]: [ID 702911 mail.alert] unable to qualify my owndomain name (localhost) -- using short name

Nov 15 08:20:57 server sendmail[315]: [ID 702911 mail.alert] unable to qualify my owndomain name (localhost) -- using short name

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No RHEL 5 a funcionalidade do comando ext2online foi migrada para o comando resize2fs.

Portanto, ainda podemos realizar o aumento dos file systems on-line, conforme abaixo:

resize2fs /dev/rootvg/tmplv

OBS.:

Porém, reduzir file system que encontra-se em uso apenas off-line.